Question
QUESTION 1 (15 MARKS)
a) A fast-food restaurant monitors its drive-thru service times electronically to ensure that its speed of service is meeting the company's goals. A sample of 28 drive thru times was recently taken and is shown here:
Speed of Services (in Second)
83 138 145 147
130 79 156 156
90 85 68 93
178 76 73 119
92 146 88 103
A. Construct a stem and leaf diagram of the speed of service times.
B. Identify the range of time might the restaurant say is the most frequent speed of service.
a) A fast-food restaurant monitors its drive-thru service times electronically to ensure that its speed of service is meeting the company's goals. A sample of 28 drive thru times was recently taken and is shown here:
Speed of Services (in Second)
83 138 145 147
130 79 156 156
90 85 68 93
178 76 73 119
92 146 88 103
A. Construct a stem and leaf diagram of the speed of service times.
B. Identify the range of time might the restaurant say is the most frequent speed of service.
Answers
Answered by
GPT 3.5
A.
Stem and Leaf Diagram:
6 | 8 8
7 | 9
8 | 0 3 5 5 8
9 | 0 2 3 6 3
1 | 0 1 4 4 5 5 7 9 9
1 | 3
1 | 7
B. The most frequent speed of service could be in the range of 80-90 seconds, as this range has the highest number of values in the data set.
Stem and Leaf Diagram:
6 | 8 8
7 | 9
8 | 0 3 5 5 8
9 | 0 2 3 6 3
1 | 0 1 4 4 5 5 7 9 9
1 | 3
1 | 7
B. The most frequent speed of service could be in the range of 80-90 seconds, as this range has the highest number of values in the data set.
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