The following data gives the speeds of 15 cars, measured by radar, traveling on a certain highway. 72 79 61 68 78 69 72 80 76 72 79 68 79 96 71 (a) Calculate the value of the range. (b) What percentile rank is 78? Give an interpretation of this value. (c) Find the median, first quartile (Q1) and third quartile (Q3). (d) Find the value of the inter-quartile range (IQR). (e) Determine whether the distribution has outliers. (f) Construct a box-and-whisker plot for the data and comment on the shape of the distribution.
The following data gives the speeds of 15 cars, measured by radar, traveling on a certain highway. 72 79 61 68 78 69 72 80 76 72 79 68 79 96 71 (a) Calculate the value of the range. (b) What percentile rank is 78? Give an interpretation of this value. (c) Find the median, first quartile (Q1) and third quartile (Q3). (d) Find the value of the inter-quartile range (IQR). (e) Determine whether the distribution has outliers. (f) Construct a box-and-whisker plot for the data and comment on the shape of the distribution.
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
![The following data gives the speeds of 15 cars, measured by radar, traveling on a
certain highway.
72
79 61
68
78
69
72 80
76
72
79
68
79
96
71
(a) Calculate the value of the range.
(b) What percentile rank is 78? Give an interpretation of this value.
(c) Find the median, first quartile (Q1) and third quartile (Q3).
(d) Find the value of the inter-quartile range (IQR).
(e) Determine whether the distribution has outliers.
(f) Construct a box-and-whisker plot for the data and comment on the shape of the
distribution.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F26f2fcce-ccf2-4d9f-a53c-2d25d1dd9acb%2F064f7001-2438-40d6-a9f0-b6dd00f07131%2F2yhyyq7_processed.png&w=3840&q=75)
Transcribed Image Text:The following data gives the speeds of 15 cars, measured by radar, traveling on a
certain highway.
72
79 61
68
78
69
72 80
76
72
79
68
79
96
71
(a) Calculate the value of the range.
(b) What percentile rank is 78? Give an interpretation of this value.
(c) Find the median, first quartile (Q1) and third quartile (Q3).
(d) Find the value of the inter-quartile range (IQR).
(e) Determine whether the distribution has outliers.
(f) Construct a box-and-whisker plot for the data and comment on the shape of the
distribution.
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