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Determine the test value

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 

X

7.03

9.78

S

2.31

3.62

15

16

What is the test value? Use a = 0.05. (utilize the variances unequal formula)
a)-4.53
b)-2.54
c)-2.50

Statistics and Probability, Statistics

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