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(i) Represent the data given above by a grouped frequency distribution table, taking the class intervals as 160 - 165, 165 - 170, etc.
(ii) What can you conclude about their heights from the table?
Asked by Sanket Last Modified
Answer 
Tasneem
(i) A grouped frequency distribution table has to be constructed taking class intervals 160 − 165, 165 − 170, etc. By observing the data given above, the required table can be constructed as follows.
| Height (in cm) | Number of students (frequency ) |
| 150 − 155 | 12 |
| 155 − 160 | 9 |
| 160− 165 | 14 |
| 165 − 170 | 10 |
| 170 − 175 | 5 |
| Total | 50 |
(ii) It can be concluded that more than 50% of the students are shorter than 165 cm.
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