Question

28. The following table gives the distribution of daily income of 60 families. Calculate the arithmetic mean. (5 marks) Daily Income (Rs.) 75-150 150-225 225-300 300-375 375-450 450 and over No. of families Below 6 17 20 6 5 4 2​

Answer 1

Explanation:

28. The following table gives the distribution of daily income of 60 families. Calculate the arithmetic mean. (5 marks) Daily Income (Rs.) 75-150 150-225 225-300 300-375 375-450 450 and over No. of families Below 6 17 20 6 5 4 228. The following table gives the distribution of daily income of 60 families. Calculate the arithmetic mean. (5 marks) Daily Income (Rs.) 75-150 150-225 225-300 300-375 375-450 450 and over No. of families Below 6 17 20 6 5 4 228. The following table gives the distribution of daily income of 60 families. Calculate the arithmetic mean. (5 marks) Daily Income (Rs.) 75-150 150-225 225-300 300-375 375-450 450 and over No. of families Below 6 17 20 6 5 4 2

Answer 2

Answer:

196.25

Explanation:

x̄=A+Σfd'/Σf × C

A= assumed mean, here 262.5

d=mid value-A

C=common factor, here 75

d'= d/C