Question

In this problem there are small simple random samples drawn from the same pair. The null...

In this problem there are small simple random samples drawn from the same pair. The null is that there is no difference between the samples.

set one set two
20.1 33.5
18.1 27
16.6 20.1
16.4 26.6
24 31.4
27.1 42.4
19.7 30.9
32.6 46.1

Find the mean of the differences.    Round to 4 places.

Find the standard deviation of the differences.    Round to 4 places.

Find the test statistic t=    Round to 4 places.

What is the degrees of freedom?

Find the critical value (the negative version) for a two tail test for alpha = 0.01

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