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T-Test with Unequal Variances

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Mauricio Cruz, a wine merchant for Cruz's Spirits Emporium, wants to determine if the average price of imported wine is less than the average price of domestic wine. The data obtained is shown in the table below.

Imported Wine Domestic Wine
7.03 9.78
2.31 3.62
15 16

What is the test value? (Use the variances unequal formula)

A) -4.53 B) -2.54 C) -2.50 D) -6.97

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S1 = 2.31, S2 = 3.62, M1 = 7.03, M2 = 9.78, n1 = 15, n2 = 16

The pooled estimate of the standard ...

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