Find the missing frequencies f1 and f2 in the following frequency distribution if it is known that the mean of the distribution is 50 and the total frequency is 150. x 10 30 50 70 90 f 17 f1 32 f2 19

CBSE Class 10 Answered

Find the missing frequencies f₁ and f₂ in the following frequency distribution if it is known that the mean of the distribution is 50 and the total frequency is 150. x 10 30 50 70 90 f 17 f₁ 32 f₂ 19

Asked by Topperlearning User | 06 Nov, 2017, 01:28: PM

Expert Answer

x_i	f_i	f_i x_i
10	17	170
30	f₁	30 f₁
50	32	1600
70	f₂	70 f₂
90	19	1710

Answered by | 06 Nov, 2017, 03:28: PM

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CBSE Class 10 Answered

Application Videos

Arithmetic Mean of Ungrouped Data

Mean of Grouped Data

Finding Mean by Assumed mean method

Mean of grouped data and use of Cumulative frequency

Mean of Grouped Data

Concept Videos

Arithmetic Mean of Grouped Data

Arithmetic Mean of Grouped Data

Arithmetic Mean of Grouped Data

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