Question 4 3 pts Southern States Bank and Trust Southern States Bank and Trust m

Question

Question 4 3 pts Southern States Bank and Trust Southern States Bank and Trust monitors its drive-thru service times electronically to ensure that its speed of service is meeting the company's goal. A sample of drive-thru times at the UCF branch was recently taken and is shown here. The frequency is the number of service times and the time interval is the service time in minutes Time Interval Frequency 10- 19 20-29 12 30-39 13 40-49 50-59 Compute the mean for these sample data. (Round to the nearest 2 decimal places, if needed.) D Question 5 3 pts 26 MacBook Air a4 FS 8 9

Explanation / Answer

Solution:

Mean= ( 7 + 12 + 13 + 11 + 8) / 5

= 51 / 5

= 10.2

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