The table shows the distribution of the heights of a group of people. Height (m) 0.4 - 0.5 0.6 - 0.9 1.0 - 1.2 1.3 - 1.4 1.5 - 1.7 Number of people 2 8 12 6...
Question 1 Report
The table shows the distribution of the heights of a group of people.
| Height (m) |
0.4 - 0.5 | 0.6 - 0.9 | 1.0 - 1.2 | 1.3 - 1.4 | 1.5 - 1.7 |
| Number of people | 2 | 8 | 12 | 6 | 6 |
(a) Draw a histogram to illustrate the distribution.
(b) Using an assumed mean of 1.1m, find, correct to one decimal place, the mean height of the group.
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