SSC (English Medium) Class 8Maharashtra State Board
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# Prepare a Frequency Table and Find the Mean of Members of 40 Families. - SSC (English Medium) Class 8 - Mathematics

ConceptConcept of Arithmetic Mean

#### Question

The number of members in the 40 families in Bhilar are as follows:
1, 6, 5, 4, 3, 2, 7, 2, 3, 4, 5, 6, 4, 6, 2, 3, 2, 1, 4, 5, 6, 7, 3, 4, 5, 2, 4, 3, 2, 3, 5, 5, 4, 6, 2, 3, 5, 6, 4, 2. Prepare a frequency table and find the mean of members of 40 families.

#### Solution

 Number of members (x_i) Number of families (f_i) f_ix_i 1 2 2 2 8 16 3 7 21 4 8 32 5 7 35 6 6 36 7 2 14 N = 40 sum f_ix_i= 156

Since, mean =

= 156/40

= 3.9

So, the mean of members of 40 families is 3.9.

Is there an error in this question or solution?

#### APPEARS IN

Balbharati Solution for Balbharati Class 8 Mathematics (2019 to Current)
Chapter 11: Statistics
Practice Set 11.1 | Q: 3 | Page no. 70
Solution Prepare a Frequency Table and Find the Mean of Members of 40 Families. Concept: Concept of Arithmetic Mean.
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