If 69.5 is the mean of 72, 70, x, 62, 50, 71, 90, 64, 58 and 82, find the value of x.
72
70
76
74
The mean of 6 variate is 8. Five of them are 8, 15, 0, 6, 11. Find the sixth variate.
5
3
8
9
The marks obtained by 19 students of a class are given below: 27, 36, 22, 31, 25, 26, 33, 24, 37 32, 29, 28, 36, 35, 27, 26, 32, 35, 38. Find Median
23
25
37
29
Find the mode of the following:7, 9, 8, 7, 7, 6, 8, 10, 7, 6
6
7
The arithmetic mean of first n natural numbers is
n/2
n/2 + 1
n+1/2
n-1/2
If the mean of 6, 4, 7, a and 10 is 8. Find the value of 'a'.
10
13
12
The number of wickets taken by a bowler in eight innings is given below. Find the mode.1, 4, 3, 5, 3, 4, 3, 6
4
The mean age of 10 boys is calculated to be 16 years. Later it was detected that one boy's age was taken 12 years more than the actual; and another boy's age was taken 7 years less than the actual. Find the correct mean of the ages of the boys.
15 years
15.1 years
15.6 years
15.5 years
Find the Mode: 9, 11, 8, 11, 16, 9, 11, 5, 3, 11, 17 and 18.
11
