1. Mr. Vilches, the owner of JJ Vilches Enterprise would like to know the amount of time it takes his salesladies to assist a particular costumer. One day, he asked his store manager to record the service time for 15 costumers. The following are their time to the nearest minute. 17, 19, 16, 15, 25, 22, 18, 15, 14, 18, 20, 19, 13, 16, 14

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
Chapter1: Introduction To Algebra
Section1.8: Number Lines
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a.find the lower and the upper quartile of the service time. b.find the value of D5 and D7 c.find P25 and P60
1. Mr. Vilches, the owner of JJ Vilches Enterprise would like to know the
amount of time it takes his salesladies to assist a particular costumer.
One day, he asked his store manager to record the service time for 15
costumers. The following are their time to the nearest minute.
17, 19, 16, 15, 25, 22, 18, 15, 14, 18, 20, 19, 13, 16, 14
Transcribed Image Text:1. Mr. Vilches, the owner of JJ Vilches Enterprise would like to know the amount of time it takes his salesladies to assist a particular costumer. One day, he asked his store manager to record the service time for 15 costumers. The following are their time to the nearest minute. 17, 19, 16, 15, 25, 22, 18, 15, 14, 18, 20, 19, 13, 16, 14
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