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Testing Problems

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I need help with only three tabs:
z score tab, chi square tab, and the mystery analysis tab

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https://brainmass.com/statistics/hypothesis-testing/testing-problems-284408

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Solution Summary

Three testing problems are answered. The first one is an Z test, then Chi square test and a paired t test.

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See Also This Related BrainMass Solution

One and Two Tailed Tests: Hypothesis Testing Problem

Ho: u = 50
H1: u not = 50
The sample mean is 49, and the sample size is 36. the population standard deviation is 5. Use the .05 significance level.

a. Is this a one or two tailed test.
b. What is the decision rule?
c. What is the value of the test statistic?
d. What is your decision regarding Ho?
e. What is the p-value? Interpret it.

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