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The Average Cost for the Sample of 5 Sales of a Product

Question 42

Multiple Choice

The average cost for the sample of 5 sales of a product is xˉ\bar x = $230 and the sample standard deviation is s = $17.50. The hypothesized mean is ?0 = $250. Compute the value of the test statistic.


A) -2.56
B) -4.00
C) -1.67
D) -3.87

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