The following data give the heights in centimeters of a group of people. Height in centimeters 178 | 157 152 171 171 149 158 | 166 150 144 167 152 175 153 182 162 152 165 167 166 154 170 154| 162 190 166 156 180 153 166 157 184 161 161 159 152 (a) Construct a stem-and-leaf graph for the given data. (b) Draw a table with the relative frequencies and cumulative frequencies (in percentages) for all class intervals. (c) Construct a histogram for the given data, showing relative frequencies as percentages on the y (vertical) axis. (d) Draw a cumulative frequency polygon for the data. (e) Comment on the skewness of the data.
The following data give the heights in centimeters of a group of people. Height in centimeters 178 | 157 152 171 171 149 158 | 166 150 144 167 152 175 153 182 162 152 165 167 166 154 170 154| 162 190 166 156 180 153 166 157 184 161 161 159 152 (a) Construct a stem-and-leaf graph for the given data. (b) Draw a table with the relative frequencies and cumulative frequencies (in percentages) for all class intervals. (c) Construct a histogram for the given data, showing relative frequencies as percentages on the y (vertical) axis. (d) Draw a cumulative frequency polygon for the data. (e) Comment on the skewness of the data.
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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In (b), (c) and (d), use class intervals of width 10 centimeters, starting from 140 cm.
Transcribed Image Text:Question 1
The following data give the heights in centimeters of a group of people.
Height in centimeters
152
171
178
157
171
149
158
166
150
175 153
162 152| 165
190 | 166
144
167
152
182
167
166
154
170
154
162
156
180
153
166
157
184
161
161
159
152
(a) Construct a stem-and-leaf graph for the given data.
(b) Draw a table with the relative frequencies and cumulative frequencies (in percentages) for all
class intervals.
(c) Construct a histogram for the given data, showing relative frequencies as percentages on the
y (vertical) axis.
(d) Draw a cumulative frequency polygon for the data.
(e) Comment on the skewness of the data.
In (b), (c) and (d), use class intervals of width 10 centimeters, starting from 140 cm.
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