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Given below is a cumulative frequency distribution showing the marks secured by 50 students of a class :
| Marks | Below 20 | Below 40 | Below 60 | Below 80 | Below 100 |
| Number of students | 17 | 22 | 29 | 37 | 50 |
Form the frequency distribution table for the data
Answers (1)
Solution. Frequency distribution: It tells how frequencies are distributed overvalues in a frequency distribution. However mostly we use frequency distribution to summarize categorical variables.
| Marks | Number of students CF | f |
| 0- 20 | 17 | 17 |
| 20- 40 | 22 | 22-17 = 5 |
| 40- 60 | 29 | 29 -22 = 7 |
| 60- 80 | 37 | 37-29 = 8 |
| 80-100 | 50 | 50 -37 = 13 |
View full answer
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