UPSKILL MATH PLUS
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Learn moreThe mean of following frequency distribution is 50, but the frequencies f_1 and f_2 in classes (20–40) and (60–80) respectively are not known. Find these frequencies, if the sum of all the frequencies is 120.
Class | Frequency |
0-20 | 17 |
20-40 | f_1 |
40-60 | 32 |
60-80 | f_2 |
80-100 | 19 |
Answer:
The value of f_1 is .
The value of f_2 is .
[Note: Enter the answer in to two decimal number.]