children at a local elementary school. The results are shown in the table below (image) : a. State the null hypotheses b. Determine the value for df for the chi-square test. c. Compute the expected frequencies (fill in chart) d. With an a=0.05, compute the chi-square statistic and state your conclusion. e. Calculate Cohens w (only do so if null was rejected. Otherwise leave blank.)
children at a local elementary school. The results are shown in the table below (image) : a. State the null hypotheses b. Determine the value for df for the chi-square test. c. Compute the expected frequencies (fill in chart) d. With an a=0.05, compute the chi-square statistic and state your conclusion. e. Calculate Cohens w (only do so if null was rejected. Otherwise leave blank.)
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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A developmental psychologist is interested in whether children of three different ages (5, 8 and 11) differ in their liking for a certain type of music. The psychologist studies n=200 children at a local elementary school. The results are shown in the table below (image) :
a. State the null hypotheses
b. Determine the value for df for the chi-square test.
c. Compute the expected frequencies (fill in chart)
d. With an a=0.05, compute the chi-square statistic and state your conclusion.
e. Calculate Cohens w (only do so if null was rejected. Otherwise leave blank.)
Transcribed Image Text:in the table below:
Observed Frequencies
8 years
5 years
11 years TOTAL
Likes
43
73
34
150
Dislikes
27
16
50
ТОTAL
50
100
50
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