Question

1. Please list all the two sample hypotheses tests that you can do. Assume the samples are independent: (3-Points)?

1. Please explain what a type 1 error and type 2 error is and give an example of both (4):

1. What is the difference between a paired sample and an independent sample? Please provide an example of both. (3)

Answer 1

two mean t test

two mean z test

two proportion test

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a type I error is the rejection of a true null hypothesis,

while a type II error is the non-rejection of a false null hypothesis.

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Paired-samples t tests compare scores on two different variables but for the same group of cases;

independent-samples t tests compare scores on the same variable but for two different groups of cases.

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