Question

Asked Mar 4, 2019

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Step 1

Chi-square test us usually used to test population variance.

Given s= 0.25 and n= 20

Null Hypothesis: Population standard deviation = 0.1

Alternative Hypothesis: Population standard deviation is not equal to 0.1

Now we can calculate the chi-square test statistic using the formula below

Step 2

Let's calculate the critical value using alpha = 0.01 and degrees of freedom = n-1 = 19

Critical Value = 36.191

As we ...

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