Height in centimeters 152 171 178 157 171 149 158 166 150 144 167 152 175 153 182 162 152 165 167 166 154 170 154 162 190 166 156 180 153 166 157 184 161 161 159 152
Note: Please answers (d) and (e) as this is a repost of the next subset.
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
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 they (vertical) axis.
(d) Draw a cumulative frequency
(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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