I want to assess whether or not students produce more stress hormones (cortisol) after watching different types of movies. I collect saliva samples (to assess cortisol, stress) from students after they watch an action movie and then another (two days later) after they watch a horror movie. The amount of stress hormone in the saliva is measured as ng/mL.Test the hypothesis that saliva cortisol levels will be different between the two genres of movies at an alpha of 0.05. (Have action - horror be set for your differences).  Data: Action Movie Horror Movie   10 12 -2 15 18 -3 16 17 -1 20 21 -1 24 22 2 24 23 1 26 27 1 13 16 -3 18 20 -2 19 23 -4 20 15 5 24 25 1 What are your degrees of freedom?  What is the critical t value (from t table)?  What is the mean of difference values?

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section11.4: Two-ways Tables
Problem 8E
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I want to assess whether or not students produce more stress hormones (cortisol) after watching different types of movies. I collect saliva samples (to assess cortisol, stress) from students after they watch an action movie and then another (two days later) after they watch a horror movie. The amount of stress hormone in the saliva is measured as ng/mL.Test the hypothesis that saliva cortisol levels will be different between the two genres of movies at an alpha of 0.05. (Have action - horror be set for your differences). 



Data:

Action Movie

Horror Movie

 

10

12

-2

15

18

-3

16

17

-1

20

21

-1

24

22

2

24

23

1

26

27

1

13

16

-3

18

20

-2

19

23

-4

20

15

5

24

25

1



  1. What are your degrees of freedom? 



  1. What is the critical t value (from t table)? 



  1. What is the mean of difference values?



Bb Homework and Submission...
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What is the difference betw
cess Confirmation of Qu...
titled document
A Share
Edit View Insert Format Tools Add-ons Help
Last edit was second...
A P
Normal text
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6.
3.
9.
I want to assess whether or not students produce more stress hormones (cortisol) after watching different types of movies. I
collect saliva samples (to assess cortisol, stress) from students after they watch an action movie and then another (two days later)
after they watch a horror movie. The amount of stress hormone in the saliva is measured as ng/mL.Test the hypothesis that saliva
cortisol levels will be different between the two genres of movies at an alpha of 0.05. (Have action - horror be set for your
differences).
Data:
Action Movie
Horror Movie
12
-2
15
18
-3
91
20
21
-1
24
22
24
23.
26
27
13
-3
91
18
20
-2
23
-4
61
20
15
5.
24
25
1.
c. What are your degrees of freedom?
d. What is the critical t value (from t table)?
e. What is the mean of difference values?
Transcribed Image Text:Bb Homework and Submission... Untitled document Google... What is the difference betw cess Confirmation of Qu... titled document A Share Edit View Insert Format Tools Add-ons Help Last edit was second... A P Normal text Times New... .. %00% 6. 3. 9. I want to assess whether or not students produce more stress hormones (cortisol) after watching different types of movies. I collect saliva samples (to assess cortisol, stress) from students after they watch an action movie and then another (two days later) after they watch a horror movie. The amount of stress hormone in the saliva is measured as ng/mL.Test the hypothesis that saliva cortisol levels will be different between the two genres of movies at an alpha of 0.05. (Have action - horror be set for your differences). Data: Action Movie Horror Movie 12 -2 15 18 -3 91 20 21 -1 24 22 24 23. 26 27 13 -3 91 18 20 -2 23 -4 61 20 15 5. 24 25 1. c. What are your degrees of freedom? d. What is the critical t value (from t table)? e. What is the mean of difference values?
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