Determine (a) the x2 test statistic, (b) the degrees of freedom, (c) the critical value using a = 0.05, and (d) test the hypothesis at the a = 0.05 level of significance. Outcome A B C D   Observed 42 39 38 41   Expected 40 40 40 40

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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Determine (a) the x2 test statistic, (b) the degrees of freedom, (c) the critical value using a = 0.05, and (d) test the hypothesis at the a = 0.05 level of significance.

Outcome
A
B
C
D
 
Observed
42
39
38
41
 
Expected
40
40
40
40
 
 
 
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