A college student wants to determine whether the stress level of a student is associated to his/her body mass index (BMI). She randomly selected 80 students and determine their stress level and BMI. The data obtained is summarized in the table below. BMI Stress Level Total Normal Not Normal Low 20 31 51 Hight Total 15 14 29 35 45 80 Suppose the value of the appropriate test statistic is 1.1754, which of the following statement(s) is(are) TRUE? I. The expected number of students who have high stress level and whose BMI is NOT normal is 16.3125 II. There is a low association between the stress level of a student and his/her body mass index (BMI). Both I and II O Neither I nor II
A college student wants to determine whether the stress level of a student is associated to his/her body mass index (BMI). She randomly selected 80 students and determine their stress level and BMI. The data obtained is summarized in the table below. BMI Stress Level Total Normal Not Normal Low 20 31 51 Hight Total 15 14 29 35 45 80 Suppose the value of the appropriate test statistic is 1.1754, which of the following statement(s) is(are) TRUE? I. The expected number of students who have high stress level and whose BMI is NOT normal is 16.3125 II. There is a low association between the stress level of a student and his/her body mass index (BMI). Both I and II O Neither I nor II
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Transcribed Image Text:A college student wants to determine whether the stress level of a student is
associated to his/her body mass index (BMI). She randomly selected 80 students
and determine their stress level and BMI.
The data obtained is summarized in the table below.
BMI
Stress Level
Total
Normal
Not Normal
Low
20
31
51
Hight
Total
15
14
29
35
45
80
Suppose the value of the appropriate test statistic is 1.1754, which of the
following statement(s) is(are) TRUE?
I. The expected number of students who have high stress level and whose BMI is NOT
normal is 16.3125
II. There is a low association between the stress level of a student and his/her body
mass index (BMI).
Both I and II
O Neither I nor |I
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