2) Professor Moore, who lives a few miles outside a college town, records the time he takes to drive to the college each morning. Here are the times (in minutes) for 42 consecutive weekdays. 国 8.25 7.83 8.3 8.42 8.5 8.67 8.17 9. 9. 8.17 7.92 8.5 9. 7.75 7.92 8. 8.08 7.83 7.92 8.58 7.83 8.33 7.75 9.75 7.42 8.5 6.75 8.58 7.42 8.42 8.67 9.08 10.17 8.75 8.67 9.17 8.83 8.67 8.42 8.75 8.08 a) What are the: Mean: 8.400476 b. Median: 8.42 a. c. Mode: 8.67 and 9 b) Which measure of central tendency is a better representative of this data? Why? c) Are there any outliers? Show your calculations.
2) Professor Moore, who lives a few miles outside a college town, records the time he takes to drive to the college each morning. Here are the times (in minutes) for 42 consecutive weekdays. 国 8.25 7.83 8.3 8.42 8.5 8.67 8.17 9. 9. 8.17 7.92 8.5 9. 7.75 7.92 8. 8.08 7.83 7.92 8.58 7.83 8.33 7.75 9.75 7.42 8.5 6.75 8.58 7.42 8.42 8.67 9.08 10.17 8.75 8.67 9.17 8.83 8.67 8.42 8.75 8.08 a) What are the: Mean: 8.400476 b. Median: 8.42 a. c. Mode: 8.67 and 9 b) Which measure of central tendency is a better representative of this data? Why? c) Are there any outliers? Show your calculations.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Aa A
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AaBbCcDdE
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AaBbCcDdE
12
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Heading 1
2) Professor Moore, who lives a few miles outside a college town, records the time he takes to drive to the
college each morning. Here are the times (in minutes) for 42 consecutive weekdays.
图
8.25
7.83
8.3
8.42
8.5
8.67
8.17
9
9.
8.17
7.92
9
8.5
9.
7.75
7.92
8
8.08
9.75
8.33
7.83
7.92
8.58
7.83
8.42
7.75
7.42
6.75
7.42
8.5
8.67
10.17
8.75
8.58
8.67
9.17
9.08
8.83
8.67
8.42
8.75
8.08
a) What are the:
Mean: 8.400476
b. Median: 8.42
c. Mode: 8.67 and 9
a.
b) Which measure of central tendency is a better representative of this data? Why?
c) Are there any outliers? Show your calculations.
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Expert Solution
Step 1
From the above data
We are given that the observations are
6.75, 7.42, 7.42, 7.75, 7.75, 7.83, 7.83, 7.83, 7.92, 7.92, 7.92, 8, 8.08, 8.08, 8.17, 8.17, 8.25, 8.3, 8.33, 8.42, 8.42, 8.42, 8.5, 8.5, 8.5, 8.58, 8.58, 8.67, 8.67, 8.67, 8.67, 8.75, 8.75, 8.83, 9, 9, 9, 9, 9.08, 9.17, 9.75, 10.17
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