Question

(A). Estimate the mean time taken by a student to finish the painting.

(i) 54

(ii) 63

(iii) 43

(iv) 50

(B). What will be the upper limit of the modal class ?

(i) 20

(ii) 40

(iii) 60

(iv) 80

(C). The construction of cumulative frequency table is useful in determining the

(i) Mean

(ii) Median

(iii) Mode

(iv) All of the above

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

(i) 60
(ii) 100

(iii) 80

(iv) 140

(E). How many students finished the Painting within an hour?

(i) 18

(ii) 37

(iii) 31

(iv) 8 ​

Answer 1

Step-by-step explanation:

a. 43

b. 40

c. median

d. 80

e. 31