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A study is being conducted to test if there is a relationship between drink preferences and average amount of stress levels ranked low, medium, and high. 40 random subjects were asked to choose the beverage they would most likely drink when planning for an all-nighter. The observed frequencies are shown below. With 0.05 level of significance, prove that the categories are somehow dependent. Medium High 16 11 Low Coffee 4 7 Tea 3 3 Choco 5 2 13 14 14 12 40

A study is being conducted to test if there is a relationship between drink preferences and average amount of stress levels ranked low, medium, and high. 40 random subjects were asked to choose the beverage they would most likely drink when planning for an all-nighter. The observed frequencies are shown below. With 0.05 level of significance, prove that the categories are somehow dependent. Medium High 16 11 Low Coffee 4 7 Tea 3 3 Choco 5 2 13 14 14 12 40

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 13PT
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Caselet 2 A study is being conducted to test if there is a relationship between drink preferences and average amount of stress levels ranked low, medium, and high. 40 random subjects were asked to choose the beverage they would most likely drink when planning for an all-nighter. The observed frequencies are shown below. With 0.05 level of significance, prove that the categories are somehow dependent. Low Medium High Coffee 4 7 16 Tea 3 3 11 |Choco 5 2 13 14 14 12 40
Transcribed Image Text:Caselet 2 A study is being conducted to test if there is a relationship between drink preferences and average amount of stress levels ranked low, medium, and high. 40 random subjects were asked to choose the beverage they would most likely drink when planning for an all-nighter. The observed frequencies are shown below. With 0.05 level of significance, prove that the categories are somehow dependent. Low Medium High Coffee 4 7 16 Tea 3 3 11 |Choco 5 2 13 14 14 12 40
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