Calculate the sample mean and the sample standard deviation to the nearest hundreths.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:Kahuna's Credit Union conducted a survey as to how long customers claimed to wait in the checkout
line until their turn. Let X = time in line. The table below displays the ordered real data (in minutes):
0.50 4.25 5
6
7.25
1.75 4.25 5.25 6
7.25
2
4.25 5.25 6.25 7.25
2.25 4.25 5.5 6.25 7.75
2.25 4.5
5.5
6.5 8
2.5
4.75 5.5
6.5 8.25
2.75 4.75 5.75 6.5
9.5
3.25 4.75 5.75 6.75 9.5
3.75 5
6.
6.75 9.75
3.75 5
6.75 10.75
Calculate the sample mean and the sample standard deviation to the nearest hundreths.
Expert Solution
Step 1
Given:
| X |
| 0.5 |
| 1.75 |
| 2 |
| 2.25 |
| 2.25 |
| 2.5 |
| 2.75 |
| 3.25 |
| 3.75 |
| 3.75 |
| 4.25 |
| 4.25 |
| 4.25 |
| 4.25 |
| 4.5 |
| 4.75 |
| 4.75 |
| 4.75 |
| 5 |
| 5 |
| 5 |
| 5.25 |
| 5.25 |
| 5.5 |
| 5.5 |
| 5.5 |
| 5.75 |
| 5.75 |
| 6 |
| 6 |
| 6 |
| 6 |
| 6.25 |
| 6.25 |
| 6.5 |
| 6.5 |
| 6.5 |
| 6.75 |
| 6.75 |
| 6.75 |
| 7.25 |
| 7.25 |
| 7.25 |
| 7.75 |
| 8 |
| 8.25 |
| 9.5 |
| 9.5 |
| 9.75 |
| 10.75 |
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