In a mechanical aptitude test, persons who are 15 years old should average 70.8, with o = 6.9 . If 35 randomly selected persons average 73.9, calculate determine the critical value for testing the null hypothesis u = 70.8 against alternative u> 70.8 for a = 0.01

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Q: The P-value for this hypothesis was found to be:

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.