Calculate the test statistic value for population mean

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Reference no: EM1321479

A recent survey indicated that the average amount spent for breakfast by business managers was $7.58 with a standard deviation of $0.42. It was felt that breakfasts on the West Coast were higher than $7.58. A sample of 81 business managers on the West Coast had an average breakfast cost of $7.65. 13. At a = 0.05, what is the test value?

a. -1.5

b. 1.96

c. 1.64

d. 1.5

Reference no: EM1321479

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