Question

Calculate the mean number of persons per house given

Answer 1

Answer:

in my house there are 7 members so

number of observations divided by total observations = 7 by 7 = 1

Answer 2

Answer:

No.of persons per house: 2 3 4 5 6 Total

No.of houses : 10 25 30 25 10 100

(ii) Compute the geometric mean of the following series

Marks:0-10 10-20 20-30 30-40 40-50

No.of students: 5 7 15 25 8

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