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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

Question 56

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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A school bus driver records the time (in minutes) it takes to commute to school for six days.Those results are: 25,22,17,20,15,and 10.Assuming the population is normally distributed,develop a 90% confidence interval for the population mean.
-What is the value of the sample standard deviation?


A) 4.88
B) 4.25
C) 5.34
D) 3.64

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