Chapter 14 Statistics- MCQ Online Test 1 Class 10 Maths

1.If ∑fi =15, ∑fixi = 3p+36 and the mean of the distribution is 3, then find the value of ‘p’?
5
9
27
31

2. Find the mean of the data when ∑fidi = −500, ∑fi=100 and a = 125.
150
200
120
360

3. If ∑fiui = 29, ∑fi=30, a = 47.5 and h=15, then find the value of ?
62
95
85
65

4.

Class mark
Mean
Class size
Assumed mean

5.

(x_i-a)/h

(x_i-2a)/h
h(x_i-a)
None of these

6. If ∑fixi =1860 and ∑fi = 30, then find the value of ?

54
58
62
35

7. If ∑fixi =625 and ∑fi = 25, then find the value of ?

45
25
46
59

8. Find the mean of the data when ∑fidi = 435, ∑fi=30 and a = 47.5?

26
62
45
37

9. The arithmetic mean of a set of 40 values is 65. If each of the 40 values is increased by 5, what will be the mean of the set of new values?

50
170
90
70

10.Find the mean of the first 10 natural odd numbers?