A college student wants to determine whether the stress level of a student is associated to his/her bodymass index (BMI). She randomly selected 80 students and determine their stress level and BMI.The data obtained is summarized in the table below.BMIStress LevelTotalNormalNot NormalLow203151Hight151429Total354580Suppose the value of the appropriate test statistic is 1.1754, which of the followingstatement(s) is(are) TRUE?A. The expected number of students who have high stress level and whose BMI is NOTnormal is 16.3125B. There is a low association between the stress level of a student and his/her body massindex (BMI).C. Both I and IID. Neither I nor II

Formula : Expected frequency = row sum * column sum/ grand sum

Answered: A college student wants to determine…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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An Excel assignment counts for 0-10 points. The scores in a class of 12 students are recorded as follows:1 5 5 6 7 7 8 8 8 9 10 10 What is the deviation of the score 10 from the mean in 13a (recall that this involves a subtraction of the mean from the particular score)? I think I got answer but want to check.
A statistic is a number that... describes a characteristic of a population of scores. describes a characteristic of a sample of scores. is never used to estimate or make a decision about a parameter. summarizes all the individuals a researcher is interested in.
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