2. In a study of parents' feelings about a required course in consumer education taught to their children, a random sample of 360 parents are classified according to whether they have one, two or more children in the school system, and also whether they feel that the course is poor, adequate or good. The results are shown in the table to the right. Test at the 0.05 level of significance whether there is a relationship between parents' reaction to the course and the number of children they have in the school system. Poor Adequate Good 1 kid 48 55 57 2 kids 40 53 46 3+ kids 12 29 20

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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State hypothesis
Define test, one or 2 sided?
Test assumptions (equal variance, normality)
State test statistic (t, F, Chi-square)
State critical value (1 or 2 sided, degrees of freedom) example: f crit (1, 3, 20)
State conclusions.
You can use Excel or STATA as an aid to perform the tests, but you should be "in control" of all the steps. If
applicable, include STATA outputs, or Excel spreadsheets, in your submission.
Transcribed Image Text:State hypothesis Define test, one or 2 sided? Test assumptions (equal variance, normality) State test statistic (t, F, Chi-square) State critical value (1 or 2 sided, degrees of freedom) example: f crit (1, 3, 20) State conclusions. You can use Excel or STATA as an aid to perform the tests, but you should be "in control" of all the steps. If applicable, include STATA outputs, or Excel spreadsheets, in your submission.
2. In a study of parents' feelings about a required course in consumer
education taught to their children, a random sample of 360 parents
are classified according to whether they have one, two or more
children in the school system, and also whether they feel that the
course is poor, adequate or good. The results are shown in the
table to the right. Test at the 0.05 level of significance whether there is a relationship between parents' reaction
to the course and the number of children they have in the school system.
Poor
Adequate
Good
1 kid
48
55
57
2 kids
40
53
46
3+ kids
12
29
20
Transcribed Image Text:2. In a study of parents' feelings about a required course in consumer education taught to their children, a random sample of 360 parents are classified according to whether they have one, two or more children in the school system, and also whether they feel that the course is poor, adequate or good. The results are shown in the table to the right. Test at the 0.05 level of significance whether there is a relationship between parents' reaction to the course and the number of children they have in the school system. Poor Adequate Good 1 kid 48 55 57 2 kids 40 53 46 3+ kids 12 29 20
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