Question

In a society, the monthly expenditure of some families is shown in the following table:

Monthly expenditure (in)

Number of families

9

8

(a) Find the mean monthly expenditure of a family.

(i)* 10000

(ii) 11500

(iii) 10200

(b) What will be the lower limit of the modal class?

(i) 11000

(ii) 10000

(iii) 14000

(c) The sum of lower limits of median class and modal class is

(1) 18000

(ii) 20000

(iii) 9000

(d) The cumulative frequency table is useful in determining the

(i) mean

(ii) median

(iii) mode

9000-11000

12




I need it urgently

11000-13000

11

13000-15000

10

(iv) 15000

(iv) 9000

(iv) 11000

(iv) all of these

(e) The observerations 29, 32, 48, 50, x, x +4, 72, 78, 84, 95 are arranged in ascending order. If the median of the data is 63, then find the value of x.

(i) 62

(ii) 50

(iii) 61

(iv) 64​

Answer 1

all of this but I'm not sure what is the answer