23. Busy Bank Tellers. The Prescott National Bank has six tellers available to serve customers. The data in the following table provide the number of busy tellers observed during 25 spot checks. 6 663 +3 4 5155 t 45202 15463 5 5 3 4 4236 a. Use single-value grouping to organize these data into frequency and relative-frequency distributions. b. Draw a relative-frequency histogram for the data based on the grouping in part (a). c. Identify the modality of the distribution of these numbers of busy tellers.
23. Busy Bank Tellers. The Prescott National Bank has six tellers available to serve customers. The data in the following table provide the number of busy tellers observed during 25 spot checks. 6 663 +3 4 5155 t 45202 15463 5 5 3 4 4236 a. Use single-value grouping to organize these data into frequency and relative-frequency distributions. b. Draw a relative-frequency histogram for the data based on the grouping in part (a). c. Identify the modality of the distribution of these numbers of busy tellers.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The presscott national bank has six tellers available to serve customers
Transcribed Image Text:23. Busy Bank Tellers. The Prescott National Bank has six tellers
available to serve customers. The data in the following table provide
the number of busy tellers observed during 25 spot checks.
6
5
15
6
3
5
4
4 5
6
3 4 2 3
6
a. Use single-value grouping to organize these data into frequency
and relative-frequency distributions.
b. Draw a relative-frequency histogram for the data based on the
grouping in part (a).
c. Identify the modality of the distribution of these numbers of busy
tellers.
d. State whether the distribution is (roughly) symmetric, right skewed,
or left skewed.
e. Construct a dotplot for the data on the number of busy tellers.
f. Compare the dotplot that you obtained in part (e) to the relative-
frequency histogram that you drew in part (b).
63
15
452ON
0
154
100346
5
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