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...

In (b), (c) and (d), use class intervals of width 10 centimeters, starting from 140 cm.

Extracted 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.