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When testing if there’s a difference between two means, the null hypothesis is mu1 = mu2, and the alternative hypothesis is...
x1 - x2
independent
dependent
mu1 is not equal to mu2.
independent
independent
reject the null hypothesis.
dependent
_______ samples involve measurements taken from two different sets of items.
x1 - x2
independent
dependent
mu1 is not equal to mu2.
independent
independent
reject the null hypothesis.
dependent
_______ samples are paired samples for one set of items.
x1 - x2
independent
dependent
mu1 is not equal to mu2.
independent
independent
reject the null hypothesis.
dependent
Each member of one sample corresponds to a member of the other sample.
x1 - x2
independent
dependent
mu1 is not equal to mu2.
independent
independent
reject the null hypothesis.
dependent
The sample selected from the first population is not related to the sample selected from the second population.
x1 - x2
independent
dependent
mu1 is not equal to mu2.
independent
independent
reject the null hypothesis.
dependent
The difference between entries for a data pair, d = _______.
x1 - x2
independent
dependent
mu1 is not equal to mu2.
independent
independent
reject the null hypothesis.
dependent
If z is in the rejection region, you should...
x1 - x2
independent
dependent
mu1 is not equal to mu2.
independent
independent
reject the null hypothesis.
dependent
Example of _______ samples: birth weights of 25 baby boys, birth weights of 25 baby girls
x1 - x2
independent
dependent
mu1 is not equal to mu2.
independent
independent
reject the null hypothesis.
dependent
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