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

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
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 

steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman