Pls. ans. Q18
Q18. Find the missing frequency 'r if the mode of the data is 39.
Class interval | 5 - 15 | 15 -25 | 25-35 | 35-45 | 45-55 | 55-65 | 65-75 |
Frequency | 2 | 3 | f | 7 | 4 | 2 | 2 |
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