[See Steps] Refer to Problem 8. Based on a random sample of 16 customer transactions the mean waiting time is 6.3 minutes and the standard deviation is
Question: Refer to Problem 8. Based on a random sample of 16 customer transactions the mean
waiting time is 6.3 minutes and the standard deviation is 2 minutes per customer. What is
the value of the test statistic (NOTE: Conduct the test of hypothesis showing all the
intermediate steps and calculations required to support your answer)?
- t = -1.2
- t = 2.4
- t = -2.4
- t = -0.6
- t = 9.6
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