# Q. The mean of the following distribution is 57.6 and the sum of its frequencies is 50, find the missing frequencies ${f}_{1}and{f}_{2}$

Class | 0-20 | 20-40 | 40-60 | 60-80 | 80-100 | 100-120 |

Frequency | 7 | ${f}_{1}$ | 12 | ${f}_{2}$ | 8 | 5 |

Q.27 https://www.meritnation.com/ask-answer/question/if-the-arithmetic-mean-of-the-following-distribution-is-5/statistics/5056701

Regards.

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