Compute the appropriate t-test.A researcher interested in eating behavior wants to determine if scary movies cause people to eat more popcorn than musicals. You randomly assign 10 participants to a group that watches a scary movie (Psycho) and another 10 participants to a group that watches a musical (The Sound of Music). At the beginning of the movie, you give each participant a tub of 84 pieces of popcorn and tell each person not to share their popcorn with anyone. At the end of the movie, you measure the number of pieces of popcorn eaten by each participant. The data are shown below. Based on the results of this t-test, state the conclusions about the difference between the pieces of popcorn eaten by subjects viewing a scary movie versus a musical. Scary Musical X Y 45 32 67 38 69 33 56 49 73 44 56 60 63 48 84 36 49 23 56 39

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6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Compute the appropriate t-test.

A researcher interested in eating behavior wants to determine if scary movies cause people to eat more popcorn than musicals. You randomly assign 10 participants to a group that watches a scary movie (Psycho) and another 10 participants to a group that watches a musical (The Sound of Music). At the beginning of the movie, you give each participant a tub of 84 pieces of popcorn and tell each person not to share their popcorn with anyone. At the end of the movie, you measure the number of pieces of popcorn eaten by each participant. The data are shown below. Based on the results of this t-test, state the conclusions about the difference between the pieces of popcorn eaten by subjects viewing a scary movie versus a musical.

Scary Musical

X Y

45 32

67 38

69 33

56 49

73 44

56 60

63 48

84 36

49 23

56 39