Advertisement
Collecting and recording data - Grouping continuous data
Investigation example
Question
Cameron records the heights of 30 of his classmates. His results are shown below:
| 144 | 150 | 143 | 170 | 161 | 171 | 134 | 140 | 155 | 162 |
| 144 | 165 | 157 | 147 | 177 | 155 | 156 | 149 | 168 | 159 |
| 149 | 133 | 170 | 156 | 156 | 161 | 168 | 151 | 172 | 155 |
Copy the tally chart and complete it with Cameron's results:
| Height (cm) | Tally | Frequency |
|---|---|---|
| 130 < h ≤ 140 | ||
| 140 < h ≤ 150 | ||
| 150 < h ≤ 160 | ||
| 160 < h ≤ 170 | ||
| 170 < h ≤180 |
Related Links
Elsewhere on the web
© MMXThis page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.