Savings banks are permitted to sell a form of life insurance called savings bank life insurance (SBLI). The approval process consists of underwriting, which includes a review of the application, a medical information bureau check, possible requests for additional medical information and medical exams, and a policy compilation stage during which the policy pages are generated and sent to the bank for delivery. The ability to deliver approved policies to bank customers in a timely manner is critical to the profitability of this service to the bank. During a period of one month, a random sample of 27 approved policies was selected, and the following total processing times in days, were recorded; 73 19 16 64 28 28 31 90 60 56 31 56 22 18 45 48 17 17 17 91 92 63 52 51 69 16 17 What is the standard deviation of the data? A.) 25.82 B.) 28.52 C.) 25.28 D.) 28.25

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Savings banks are permitted to sell a form of life insurance called savings bank life insurance (SBLI). The approval process consists of underwriting, which includes a review of the application, a medical information bureau check, possible requests for additional medical information and medical exams, and a policy compilation stage during which the policy pages are generated and sent to the bank for delivery. The ability to deliver approved policies to bank customers in a timely manner is critical to the profitability of this service to the bank. During a period of one month, a random sample of 27 approved policies was selected, and the following total processing times in days, were recorded;

73 19 16 64 28 28 31 90 60
56 31 56 22 18 45 48 17 17
17 91 92 63 52 51 69 16 17

What is the standard deviation of the data?

A.) 25.82

B.) 28.52

C.) 25.28

D.) 28.25

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