Sharon is interested in testing the differences between student populations at two different universities. If she randomly selects students from both universities, she is examining _____ sample(s). a. confounded   b. independent   c. single   d. dependent

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A:

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Q: . What statistical test should he use to analyze the data?

A:

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Q: calculate the mean and ss for each of the following sample numbers 1,3,4,0

A:

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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.