Diana D.

asked • 08/21/19

The Chi-Square Distribution

You are conducting a multinomial Goodness of Fit hypothesis test for the claim that the 4 categories occur with the following frequencies:


H0 pA = 0.1;  pB = 0.2 ;  pC=0.4 ;  pD=0.3


Complete the table. Report all answers accurate to three decimal places


Category Observed Frequency Expected Frequency
A 26
B 38
C 23
D 33


What is the chi-square test-statistic for this data? (2 decimal places) 

X2 = ______________________


What is the P-Value? (3 decimal places)

P-Value =________________________


For significance level alpha 0.005,


What would be the conclusion of this hypothesis test?

A) Reject the Null Hypothesis

B) Fail to reject the Null Hypothesis


Report all answers accurate to three decimal places.


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