Multiple Choice
You want to estimate the average GMAT score for all students who took the Logitano GMAT Preparation course during the past 2 years.You select a random sample of 12 such students from a comprehensive list of all Logitano students who took the course over the last two years and find that the average GMAT score for the sample was 1040.The population standard deviation is unknown, but the sample standard deviation is 83 points.Assume that the population distribution is approximately normal.Produce the 95% confidence interval estimate of the mean GMAT score for the population of Logitano students over the past two years.Report the upper bound for your interval.
A) 925.3
B) 988.21
C) 1092.74
D) 1156.23
E) 1193.47
Correct Answer:
Verified
Correct Answer:
Verified
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