Find the mean and standard deviation of the waiting time for counter A and B.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.5: Percents
Problem 23OE
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Find the mean and standard deviation of the waiting time for counter A and B.

12: represents 1.2, leaf unit: 0.1
Counter A
Counter B
8 1 3446 6 8 8 9
6 5 5 5 4 4 3 3
0 1 1 2 3 4
21
420 3
2
4
0 5
15
15
n:
2.
Transcribed Image Text:12: represents 1.2, leaf unit: 0.1 Counter A Counter B 8 1 3446 6 8 8 9 6 5 5 5 4 4 3 3 0 1 1 2 3 4 21 420 3 2 4 0 5 15 15 n: 2.
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