Question

2. The number of member in the following families in Bhilar are follows
1,6,5,4,3,2,7,2,3,4,5,6,4,6,2,3,1,4,5,6,7,3,4,5,2,4,3,2,3,5,5,4,6,2,3,5,6,4,2,1 prepare frequency
table & find the mean of members of 40​

Answer 1

$\huge\mathrm{Answer}$

Mean = ( 1×3 + 2×7 + 3×7 + 4×8 + 5×7 + 6×6 + 7×2 ) / ( 3 +7 + 7 + 8 + 7 + 6 + 2 )

➡ Mean = 3 + 14 + 21 + 32 + 35 + 36 + 14 / 40

➡ Mean = 155 / 40

➡ Mean = 3.8

⭐ Refer to the attachment for the table

⭐ Formula of mean =( f × x + f1 × x1 × ....) / (Total frequency)