A fast-food restaurant monitors its drive-thru Speed of Service service times el

Question

A fast-food restaurant monitors its drive-thru Speed of Service service times electronically to ensure that its speed of service is meeting the company's goals. A sample of 16 drive-thru times was recently taken and is shown to the right. (Time in Seconds) 82 74 81 64 72 97 78 91 85 78 106 79 104 70 a. Construct a stem and leaf diagram of the speed of service times. b. What range of time might the restaurant say is the most frequent speed of service? a. Complete the stem and leaf diagram below (Use ascending order)

Explanation / Answer

1 6 4
1 6
4 7 024
7 7 889
(2) 8 12
7 8 58
5 9 1
4 9 79
2 10 4
1 10 6

(81, 82) is the most frequent range of service time

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