_______ samples involve measurements taken from two different sets of items.

_______ samples are paired samples for one set of items.

The sample selected from the first population is not related to the sample selected from the second population.

Each member of one sample corresponds to a member of the other sample.

Example of _______ samples: birth weights of 25 baby boys, birth weights of 25 baby girls

Example of _______ samples: times for students to run a mile in the beginning of the year v. the end of the year

When testing if there’s a difference between two means, the null hypothesis is mu1 = mu2, and the alternative hypothesis is...

The weighted estimate for p1 and p2 is _______.

The difference between entries for a data pair, d = _______.

If z is in the rejection region, you should...

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