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If Peter would like to test whether mean sales for his treatment group differed between April and May, what two samples would he use? Select

If Peter would like to test whether mean sales for his treatment group differed between April and May, what two samples would he use?

Select one:

A and B

A and C

A and D

C and D

B and C

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If Peter would like to test whethermean sales for his treatment groupdiffered between April and May, what two samples would he use?

Select one:

Two-sample t-test assuming equal variance.

Two-sample t-test assuming Unequal Variance

Paired two-sample t-test.

A or B, but not C.

None of the above.

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