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Suppose a bank branch, located in a commercial district, is concerned with its service during the noon-to-1 pm lunch period. The waiting times, in minutes, collected from a sample of 15 customers during this hour, are listed below. Complete parts (a) through (d) below. 4.32 5.56 2.95 5.18 4.48 2.44 3.37 3.45 4.32 6.13 0.38 5.37 6.49 6.15 3.61 a. Compute the mean and median. The mean is (Round to two decimal places as needed.) The median is (Type an integer or a decimal.) b. Compute the variance, standard deviation, range, coefficient of variation, and Z scores. Are there any outliers? Explain. The variance is. (Round to three decimal places as needed.) The standard deviation is (Round to three decimal places as needed.) O Time Remaining: 00:55 55 View instructor tip Next 611 PM 76 F O Type here to search 2/17/2022 4+ esc %24 %23 3. 1. .U E R K

Suppose a bank branch, located in a commercial district, is concerned with its service during the noon-to-1 pm lunch period. The waiting times, in minutes, collected from a sample of 15 customers during this hour, are listed below. Complete parts (a) through (d) below. 4.32 5.56 2.95 5.18 4.48 2.44 3.37 3.45 4.32 6.13 0.38 5.37 6.49 6.15 3.61 a. Compute the mean and median. The mean is (Round to two decimal places as needed.) The median is (Type an integer or a decimal.) b. Compute the variance, standard deviation, range, coefficient of variation, and Z scores. Are there any outliers? Explain. The variance is. (Round to three decimal places as needed.) The standard deviation is (Round to three decimal places as needed.) O Time Remaining: 00:55 55 View instructor tip Next 611 PM 76 F O Type here to search 2/17/2022 4+ esc %24 %23 3. 1. .U E R K

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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Suppose a bank branch, located in a commercial district, is concerned with its service during the noon-to-1 pm lunch period. The waiting times, in minutes, collected from a sample of 15 customers during this hour, are listed below. Complete parts (a) through (d) below. 4.32 5.56 2.95 5.18 4.48 2.44 3.37 3.45 4.32 6.13 0.38 5.37 6.49 6.15 3.61 a. Compute the mean and median. The mean is . (Round to two decimal places as needed.) The median is (Type an integer or a decimal.) b. Compute the variance, standard deviation, range, coefficient of variation, and Z scores. Are there any outliers? Explain. The variance is. (Round to three decimal places as needed.) The standard deviation is (Round to three decimal places as needed.) View instructor tip O Time Remaining: 00:55 55 Next 611 PM P Type here to search 76 F 2/17/2022 144 is * & esc 24 %23 5. 3. 1. .U E R
Transcribed Image Text:Suppose a bank branch, located in a commercial district, is concerned with its service during the noon-to-1 pm lunch period. The waiting times, in minutes, collected from a sample of 15 customers during this hour, are listed below. Complete parts (a) through (d) below. 4.32 5.56 2.95 5.18 4.48 2.44 3.37 3.45 4.32 6.13 0.38 5.37 6.49 6.15 3.61 a. Compute the mean and median. The mean is . (Round to two decimal places as needed.) The median is (Type an integer or a decimal.) b. Compute the variance, standard deviation, range, coefficient of variation, and Z scores. Are there any outliers? Explain. The variance is. (Round to three decimal places as needed.) The standard deviation is (Round to three decimal places as needed.) View instructor tip O Time Remaining: 00:55 55 Next 611 PM P Type here to search 76 F 2/17/2022 144 is * & esc 24 %23 5. 3. 1. .U E R
Expert Solution
Step 1

We have given that data 

Observations in the ascending order are :
0.38,2.44,2.95,3.37,3.45,3.61,4.32,4.32,4.48,5.18,5.37,5.56,6.13,6.15,6.49

Mean = sum of all observations/total number 

Median = middle value 

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