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).    a. What is the null hypothesis?

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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). 

 

a. What is the null hypothesis? 

 

 

b. What is the alternative hypothesis? 

 

 

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

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28. 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).
a. What is the null hypothesis?
b. What is the alternative hypothesis?
Data:
Action Movie
Horror Movie
12
-2
15
-3
-1
21
-1
24
22
2.
24
23
27
13
16
-3
18
-2
23
-4
1.
15
24
25
1.
APR
3D
Transcribed Image Text:LO View Share Window Help File Edit Insert Format Arrange Pages PSY2321 S22 Exam3 Edited 125% v Collaborate Format Document Chart Text Shape Media Comment Zoom Add Page Insert Table View 28. 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). a. What is the null hypothesis? b. What is the alternative hypothesis? Data: Action Movie Horror Movie 12 -2 15 -3 -1 21 -1 24 22 2. 24 23 27 13 16 -3 18 -2 23 -4 1. 15 24 25 1. APR 3D
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