Science- How can you test a hypothesis if it is not possible to do a controlled experiment.

Answers

Answer 1

Answer:

In a non-experimental hypothesis test, a researcher predicts observations or patterns that should be seen in nature if the hypothesis is correct. She or he then collects and analyzes data, seeing whether the patterns are actually present.


Related Questions

Tu ......Avec elle ce midi?

Answers

Síí !!!!
A b c d e f g h I j k lmnop q r s t u v w x y z

Many of the early settlers felt that God had "paved the way" for their being here. What evidence did they find here that supported that feeling?

Answers

They find the evidence here that supported that feeling is

"While convenient and time saving, the vast majority of the learning takes place in actually doing the work for yourself – rather than relying on the work of others. "

What is  feeling?

The feeling is what a person takes an opinion from the situation has has faced.

Many of the early settlers felt that God had "paved the way" for their being here.

"While convenient and time saving, the vast majority of the learning takes place in actually doing the work for yourself – rather than relying on the work of others. "

This evidence supported the feeling of paved the way.

Learn more about feeling.

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#SPJ2

The number of total rushing yards for 23 football players for the 2014 and 2015 seasons are listed below.


2014 Total Yards 2015 Total Yards
37 11
76 56
4 4
5 3
50 87
1 2
45 31
82 55
21 3
2 1
35 34
17 22
50 25
8 42
146 147
4 1
51 25
4 5
1 17
23 4
14 10
9 3
42 67

Part A: On your own paper, create a back-to-back stemplot. Submit a list of the stems you used in order from least to greatest. Justify your reasoning for split or nonsplit stems. (4 points)
Part B: Compare and contrast the two data sets. Justify your answer using key features of the data. (6 points)

Answers

Answer:

the totalyatds of 2015 is76 56

A stem and leaf plot presents quantitative data graphically

The given data is presented as follows;

[tex]\begin{array}{ccc}2014 \ Total \ Yards&&2015 \ Total \ Yards\\37&&11\\76&&56\\4&&4\\5&&3\\50&&87\\1&&2\\45&&31\\82&&55\\21&&3\\2&&1\\35&&34\\17&&22\\50&&25\\17&&22\\50&&25\\8&&42\\146&&147\\4&&1\\51&&25\\4&&5\\1&&17\\23&&4\\14&&10\\9&&3\\42&&67\end{array}[/tex]

Part A

The back to back stem plot is presented as follows;

[tex]\begin{array}{r|c|l}2014 \ Total \ Yards&&2015 \ Total \ Yards\\9 \ 8 \ 5 \ 4 \ 4 \ 4 \ 2 \ 1 \ 1&0&1 \ 1 \ 2 \ 3 \ 3 \ 3 \ 4 \ 4 \ 5\\7 \ 4&1&0 \ 1 \ 7\\3 \ 1 &2&2 \ 5 \ 5\\7 \ 5&3&1 \ 4\\5 \ 2&4&2\\1 \ 0 \ 0&5&5 \ 6\\&6&7\\6&7&\\2&8&7\\6&14&7\end{array}[/tex]

The list of stem used which is non split stem is; 0, 1, 2, 3, 4, 5, 6, 7, 8, and 14

This is so because, the values of the data are spread across the tens unit position from 1 to 8

Part B;

The similarities are;

Both dataset are skewed towards the lower (unit) total yards valuesThe number of players that have a unit total yards in 2014 and 2015 are equal to 9The number of players in 30s, 80s and 140s are equal in 2014 an 2015

The differences are;

The number of players in the 10s, 20s and 60s are more in 2015 than in 2014, while those 50s and 70s are more in 2014 than in2015

From the data sets, we have that the sum of the total rushing yards for 2014 (727) is more than the sum of the total rushing yards for 2015 (655)

The average for 2014 (31.6087), is therefore, larger for 2014 than 2015 (28.4783)

The standard deviation which is a measure of dispersion is smaller for 2014 (33.9434) is lesser than the standard deviation for 2015 (34.5088)

The median for 2014 (21) is larger than the median for 2015 (17)

Learn more about stem and leaf plot here:

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You are looking at your power bill for the month, you pay 9 cents per kilowatt-hour. Your power bill came out to $79.56 how many KWH of energy were used in your house this month? Type your answer...​

Answers

Answer:

Explanation:

KwH = Cost//cost/KwH

79.56 dollars = 7956 cents

KwH = 7956 / 9 = 884 KwH

I need help. I chose the “bee” for organism.

“You are going to create a thank you card for an organism that provides you with an ecosystem service. Make it personal.”

What category ecosystem service this is ( provisioning, regulating, supporting, or cultural)

Answers

Thank you, dear bees

For giving life to earth, helping plants bloom in summer and giving us air to breathe.

Category: Regulating

It costs Mike $5 to make a cake, which he then sells for $15. $10 is Mike's:

cost.

price.

profit.

demand.

Answers

Answer:

Profit

Explanation:

Profit is the amount of money earned from a product, Mike earned $10, that is his profit.

in Class of 80 students in debrebirhan university, 45 are good in mathematics, 15 are good in both mathematics and English, 13 are good in both mathematics and psychology, 16 are good in both English and psychology only, 20 are good in psychology and 9are in both of the three courses ​

Answers

Answer:

no. of people good at English only=24

Explanation:

The explanation is in the attached image. I hope it is helpful.

Sam pointed to a picture and said."he is the only son of my maternal grand mother's only daughter in law".how is sam related to the boy in the picture?​

Answers

Answer:

his father

Explanation:

What would be an ideal stress reduction exercise program for middle-aged adults?

Answers

Answer:

This is my opinion: Working out lightly or listing to music and or sleeping. So yea that's my opinion!

kunai ak bisaye ma kaxama Sathi milera hauvausahith sambad garera dekhau:
1.bidhayalako ful bari
2.banbhoj Khana gayako ramailo thau
3.pustakalayako mahato

can you write someone 3 no plzz help me ​

Answers

पुस्तक र आलय मिलेर पुस्तकालय शब्दको निर्माण भएको छ। यो संसारमा धेरै पुस्तकालयहरु छन्। सामान्य रुपमा पुस्तकालय भनेको पुस्तकको भण्डार भन्न सकिन्छ। हामीले पुस्तकालयमा विभिन्न किताबहरु पाउन सक्छौँ। जस्तै-गणित,सामाजिक,विज्ञान आदि। हामी पुस्तकालयको विभिन्न लेखहरु पढ्न सक्छौ र राम्रा कुराहरुको ज्ञान प्राप्त गर्न सक्छौँ। आजको युगमा यसको धेरै नै महत्व दिइने गर्दछ। कतिपय मानिसले घरमै पुस्तकालय बनाएका हुन्छन्‌। आज मानिसहरु समयलाई उप्युक्त तरिकाले उपयोग गर्नका लागि यसमा भएको किताबहरु पढ्ने गर्छन। पुस्तकालयमा विभिन्न छेत्रका किताबहरु हुन्छन्। यस प्रविधिको युगमा पुस्तकालय विद्या प्राप्त गर्नकालागि एक सजिलो मार्फत हो। पुस्तकालय एक मन्दिरका रुपमा लिइन सकिन्छ किनभने यसले हामीलाई सत्य बाटोमा लाउन सक्छन्,यदि हामीले यसमा भएको ज्ञानलाई सही उपयोग गर्न सक्यौँ भने l

पुस्तकालयको यस आधुनिक युगमा धेरै नै महत्व रहेको छ। पुस्तकालय ज्ञानको सागर हो। हामीले यसमा रहेको अर्थपूर्ण ज्ञानलाई मनले धारण गर्न सक्यो भने लक्ष् र आकांङक्षा प्राप्त गर्न सक्छौँ। यसमा रहेको अपूर्ण ज्ञानलाई सही ढंगले प्रयोग गर्नेले भविष्यमा आफ्नो नाम कमाउन सक्छन्। हामीले ज्ञानले विश्वलाई परिवर्तन गर्न सक्छौँ। यसले हाम्रो मानसिक विकासमा साथ दिन्छन्। पुस्तकालयको महत्व मानिसका लागि समय झैँ महत्वपुर्ण हुन्छन्। पुस्तकालयको महत्व पढाईको हरेक छेत्रमा हुन्छ। जस्तै- यदि हामीलाई वैज्ञानिक बन्न चाहन्छौ भने हामीले थरिथरिका विज्ञान किताब पढी लक्षलाई काबुमा ल्याउने सक्छौँ। यसको महत्व बुझने मानिस नै अहिले अगाडि बढेका उदहारण सहित पाइन्छ।

Vanessa has a business making necklaces. She can make 10 necklaces for $25; however, it will cost her $29 to make 11 necklaces. Her marginal cost is:

$29.00.

$54.00.

$4.00.

$8.00.

Answers

4.00 to make a necklace

When supply equals demand:

a surplus occurs.

a shortage occurs.

market equilibrium occurs.

None of these choices are correct.

Answers

Answer:

[tex]if \: supply \: is \: equal \: to \: demand \: it \: makes \\ \: market \: equilibrium \: \\ other \: wise \: market \: will \\ \: be \: surplus \: or \: shortage \\ thank \: you[/tex]

Answer:

When supply equals demand market equilibrium occurs.

who is better YNW Melly or Rod Wave?

Answers

Answer:

YNW melly

Explanation:

he killed someone

Answer: YNM Melly

Explanation:

What are some no examples of a scientific model

Answers

Scientific models are never subject to change. Explanation: The statement that scientific models are never subject to change is not a benefit. A scientific model is an abstraction of the real world.

where did the spanish set up in the colonies in the new world

Answers

The place that the Spanish set up a colony in a new world was Hispaniola

*HELPPPPP 30 POINTS*
I chose the “bee” for organism.

“You are going to create a thank you card for an organism that provides you with an ecosystem service. Make it personal.”

What category ecosystem service this is ( provisioning, regulating, supporting, or cultural)

Answers

Answer:

There, ecosystem services are grouped into four broad categories: provisioning, such as the production of food and water; regulating, such as the control of climate and disease; supporting, such as nutrient cycles and oxygen production; and cultural, such as spiritual and recreational benefits.

Thank you, dear bees

For giving life to earth, helping plants bloom in the summer and giving us air to breathe.

Category: regulating

In the term myoparwsis the suffix paresis mean

Answers

Answer:

Explanation:

The whole word means slight muscle paralysis. Paresis has the meaning of slight + muscle

at a book launch a man walk up to the earth the answered have a book that has every word of your book written in it and most people here due to the author had the copyright to his book then how did this happen​

Answers

Answer:

bshdhhdbdvdcegevscdcdvdvdv

Explanation:

hhehdhdhrghehdbdvdbdvdvdv

Please answer the following multiple choice questions
Remembrance
Cold in the earth—and the deep snow piled above thee,
Far, far removed, cold in the dreary grave! Have I forgot, my only Love, to love thee, Severed at last by Time’s all-severing wave?
Line
5 Now, when alone, do my thoughts no longer hover
Over the mountains, on that northern shore, Resting their wings where heath and fern-leaves
cover
Thy noble heart for ever, ever more?
Cold in the earth—and fifteen wild Decembers, 10 From those brown hills, have melted into spring:
Faithful, indeed, is the spirit that remembers After such years of change and suffering!
Sweet Love of youth, forgive, if I forget thee,
While the world’s tide is bearing me along; 15 Other desires and other hopes beset me,
Hopes which obscure, but cannot do thee wrong!
No later light has lightened up my heaven,
No second morn has ever shone for me;
All my life’s bliss from thy dear life was given,
20 All my life’s bliss is in the grave with thee.
But, when the days of golden dreams had perished, And even Despair was powerless to destroy;
Then did I learn how existence could be cherished, Strengthened and fed without the aid of joy.
25 Then did I check the tears of useless passion— Weaned my young soul from yearning after thine; Sternly denied its burning wish to hasten
Down to that tomb already more than mine.
And, even yet, I dare not let it languish,
30 Dare not indulge in memory’s rapturous pain;
Once drinking deep of that divinest anguish, How could I seek the empty world again?


1. The poem deals with all of the following EXCEPT the
(A) aftermath of a terrible loss
(B) discipline required to address grief
(C) power of time to alter grief
(D) emotions experienced as grief abates
(E) happinessthatfollowsaftergriefhaspassed
2. The second stanza (lines 5-8) primarily serves to
(A) dramatize the power of thoughts to sustain romantic feelings in the speaker
(B) indicate how loneliness causes the speaker to dwell on the past
(C) ponder the current connection between the speaker and the loved one
(D) communicate the speaker’s ongoing devotion to a treasured childhood memory
(E) comparethelovedonetoabirdthathas departed for northern latitudes
3. Which best describes the speaker’s implication in lines 11-12 ?
(A) Only someone remarkably devoted can retain the memory of an absent loved one over time.
(B) Only people who embrace a higher faith can successfully live with their grief.
(C) Pain strengthens the soul so that the sufferer can move forward.
(D) The bereaved must choose to forget the past in order to bear their losses.
(E) Peoplewhodwellonthepastareusually unable to move beyond their personal losses.

Answers

Answer:

I don't know

Explanation:

Really like seriously i don't know and I am in s:6

HELP ASAP PLz ITS DUE AT 11:59

Answers

England:
The British sought to Christianize the native Americans, but weren’t so diligent at it.they ténseme not to marry natives. their relationship depended on the trade of furs and guns whit them, so when supplies ran low, the relationship between the two people ran low.

Spain:
Queen Isabella to fair treatment to natives and believe they should be treated equally to her other citizens. However, most explorers did not follow her orders and enslaved and brutalized natives, just like the British however after a period of christianizing the native Americans, they began to intermarry and produce offspring of multiple races.

France:
The French recognized that harmful result of diseases spread by earlier Europeans, and made attempts to alleviate the deaths occurring. They also tried to have peaceful relationships whit the Native American and also intermarried. This isn’t to say that all relationships were peaceful between the French and the natives, but it is the general mindset of the time.

Sorry i too a while writing this, hope it helps tho:)

Sony, a television company, has three major departments for the manufacture of its two models, A and B. The monthly capacities are given as follows: the marginal profit per unit from model A is birr 400 and that of model B is birr 1000. Assuming that company can sell any quantity of either product due to favorable market conditions, determine the optimum output for both the models, the highest possible profit for this month and the slack time in the three departments.

Answers

Considering the two models A and B manufactured at the three Major departments

The optimum output for both models ; Model A = 355.56, Model B = 0 The highest possible profit for the month ;  $14,222.22Slack time in three departments = Dept. 1 = 1778 hours, Dept.2 = 311 hours

Although your question has some missing values below are the missing details ;

Time required by model A :  4,  2.5,  4.5

Time required by model B :  2,  1,  1.5

Hours available this month : 1,600, 1,200, 1,600  for departments I, II and III

The marginal profit per unit from model A is 40 RO and that of model B is 10 RO

1) calculate the optimum output for both models

first step : express the problem as a Linear program problem

variables = a , b

objective ; maximize  [tex]40a + 10b[/tex]

The constraints can be expressed as ;

[tex]4a + 2b <= 16002.5a + 1b <= 12004.5a + 1.5b <= 1600[/tex]

resolving these constraints using excel solver as attached below

The optimum output  : model A = 355.56 ,  model B = 0

2 ) The highest possible profit ( max ) = $14,222.22 using the excel solver attached below

3) The slack time in the three departments

The slack time is the difference the left hand side and the right hand side in a constraints table

Given that: LHS < RHS for depart 1 and 2

The slack times are :  Depart 1 = 1600 - 14222.22 = 177.78 hours ≈ 178 hours

                                   Depart 2 = 1200 - 888.89 = 311.11 hours ≈ 311 hours

Learn more : https://brainly.com/question/14325710

Which of the following is evidence of a secure attachment in children

Answers

Answer:

By 4 weeks, your baby will respond to your smile, perhaps with a facial expression or a movement. By 3 months, they will smile back at you. By 4 to 6 months, they will turn to you and expect you to respond when upset.

Explanation:

sorry but here is not option so I try my best to give answer

the organisation that does the volunteer work​

Answers

Answer:

Animal Rescue Shelters. There aren't many pet-friendly apartments out there these days, but there are always pets in need of companionship at the shelter. ...

Explanation:

Hi! So usually I'd be the one to answer questions like this, but I kind of need help. So for basically my whole life I'd been going to school in person, and that's always worked out great. But now, due to the virus, I'm doing school from home. It's called Connections Academy and it's alright I guess but . . . First off, I'm a very social person, and at home school completely takes away the socialness of school. Second, I'm used to studying and taking notes on paper. It's even scientifically proven that students learn and remember more when reading or studying off of a hard copy, and not online. Can anyone please list some better ways to study online and keep school fun even from home???

Answers

Answer: you could always make it in to a game for studying have your family hold the definition for the word n you run around trying to find the right one

Explanation:

Going along with what you said about the hard copy thing, you can make flash cards, and depending on what classes your taking you can do some of the lessons outside and whatnot. I had a hard time with e-learning and this helped me a a little, I hope it can help you a little too

People are likely to pay less for an item during a shortage.

True

False

Answers

Answer:

False

Explanation:

If the supply for something is low and demand is high, the price will increase.

If a shortage exists, price must rise in order to entice additional supply and reduce quantity demanded until the shortage is eliminated.

name two continents through which the prime meridian runs

Answers

Europe, Africa, and Antarctica! hope this helps :)
Europe and Africa! :)

PLEASE HELP ME WITH THIS PROBLEM
I WILL GIVE YOU THE BRAINLIEST
PLEASE SHOW YOUR STEPS!!! (I'm trying to learn this for a test next week)
Question: Sketch the lines through the point with the indicated slopes. Make the sketches on the same set of coordinate axes.
Point Slopes
(4, 3) (a) 1 (b) -2 (c) -3/2 (d) Undefined

Answers

9514 1404 393

Answer:

  see attached

Explanation:

First of all, you must be completely comfortable plotting points on a graph, and reading the coordinates of a point.

Second, you need to understand that "slope" or "rate of change" is the ratio "rise over run". In this context, "rise" is the vertical change, and "run" is the horizontal change. Typically "run" is left to right, so is in the +x direction. "Rise" is positive if the line slopes upward toward the right, and negative if the line slopes downward.

A vertical line has a "run" of zero, so you end up with rise/0, which is "undefined." Whenever you see "undefined" as the slope, it means the line is vertical. (Its equation is x=constant.)

__

With these things in mind, you work this problem by first plotting the point (4, 3). Then for each of the given slopes, you identify a suitable "rise" and "run" that will get you to another point on the line. Draw the line through the original point and the point you found.

(a) rise/run = 1, so you go the same number of grid squares up as you do to the right.

(b) rise/run = -2, so you go down 2 grid squares for each 1 to the right.

(c) rise/run = -3/2, so you go down 3 grid squares for each 2 to the right.

(d) "undefined" means the line is vertical. The x-value of the given point is 4, so the vertical line has equation x=4. You draw it through the given point.

_____

Additional comment

Here, we use our understanding of slope to draw the line on the graph. Other times, you will need to use your understanding of slope to figure out what the slope is of a line plotted on a graph. It is usually useful to identify points on the line where it crosses grid intersections. That way, computation of rise and run do not involve any guessing as to what the coordinates are.

What did Wundt's pendulum experiment demonstrate?

Answers

Answer:

a 10th of a second delay between hearing the bell and noting the position of the pendulum (and vice versa)

Explanation:

Using a pendulum that hit a bell upon reaching its outer limits, Wundt demonstrated a 10th of a second delay between hearing the bell and noting the position of the pendulum (and vice versa), and it was during that very brief period that a mental process occurred.

Subtracting cellular respiration from gross primary productivity is the calculation for

secondary productivity
net primary productivity
normalized difference vegetation index
principle productivity

Answers

Answer:

Net primary productivity

Standard shipping on NHL Canada web store orders, takes ___________________ from the Satellite warehouse to our Fans.

A
5-7 Business days

B
2-10 Business days

C
7-9 Business days

D
3-7 Business days

Answers

Answer:

B.2-10 Business days

Explanation:

god bless you

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Use the meaning clearly in the sentence:Need, opportunity, invitation, surprise, food, promise 1.3. Evaluate the impact of secure relationships on a child's emotional well-being. Rodney is reading a story in his English class. In it, a young boy is suffering from cancer. His own sister was also diagnosed with a disease, so he tries to think about what she went through so he can better understand what the character in the book is thinking and feeling. There is one part of the book that had some medical terms in it, so he stops and looks them up in the dictionary so he knows exactly what is being discussed in the book. He is using his own experience to better understand the story. He is focusing only on important details in the text. He is summarizing and synthesizing information. He is self-monitoring his comprehension. He is asking questions while he reads. Please help me write an abstract about english teaching methods HELP ILL GIVE BRAINLIEST QUICK!! please help me A bag has 6 watermelon, 5 grape and 1 green apple jolly rancher. . What is the probability of picking awatermelon, put it back then green apple? if the perimeter of a rectangle is 124cm & the width is 35cm, what is the length? How does the author effectively show the establishment of Elizabethan theaters? COMPLETE SUSANA'S SENTENCES ABOUT HER FAMILY WITH THE CORRECT FORMS OF THE VERBS IN PARENTHESES. ONE OF THE VERBS WILL REMAIN IN THE INFINITIVE!!!Mi familia y yo___ (vivir) en Madrid. Tengo muchos libros. Me gusta ____(leer). Mi hermano Alfredo es muy inteligente. Alfredo _____(tener) clases los lunes y viernes. Los martes y jueves Alfredo y yo _____(correr) en el parque. Mis padres _____(comer) mucha pasta los domingos. Yo _______(creer) que mis padres ____(deber) comer menos. The sum of a number and it's absolute value is negative. which country is the graveyard of empires a iraqb saudi arabiac afghanistan d iran Which group helped organize the boycotts and protests andhelped unite the colonists with a common goal? his house looks very large and beautiful. It is ______ house.A. a seven-roomB. a seven-roomsC. seven roomD. seven rooms I WILL MARK BRAINLIEST! What is the surface area and the volume of this Cylinder? this is a one step equation pls help Divide 5 and 1 help pls!!! F(x) =2x g(x)=3x+1 Find (f/g) (x) Include any restrictions on the domain The lines of latitude are measuredfrom a line at the center of the Earthcalled the what protect the articular cartilages and act as packing material for the joint?