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?

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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?



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6.
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5.
7.
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
17
-1
20
21
-1
24
22
2.
24
23
1.
26
27
13
18
-2
23
-4
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?
i. Attach a Jamovi screenshot showing yourt statistic, degrees of freedom, p value, mean difference, and standard error.
355a
tv
DOCX
Mut
Transcribed Image Text:イ !!! Ili Tue 10:06 AM | %8 A docs.google.com b Success Confirmation of Qu... Bb Homework and Submission... FUntitled document - Google... What is the difference betw... nent Untitled document ☆回@ A Share File Edit View Insert Format Tools Add-ons Help Last edit was second... na A P Normal text Times New... ... %00L 31 6. 1. 9. 5. 7. 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 17 -1 20 21 -1 24 22 2. 24 23 1. 26 27 13 18 -2 23 -4 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? i. Attach a Jamovi screenshot showing yourt statistic, degrees of freedom, p value, mean difference, and standard error. 355a tv DOCX Mut
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