The median of 13, 23, 12, 18, 26, 19, 14, is
18
23
26
27
The arithmetic mean of first n natural numbers is
n/2
n/2 + 1
If the mean deviation of number 1, 1 + d, 1 + 2 d,.... 1 + 100 d from their mean is 255, then d is equal to.
10
20
10. 1
20. 2
For a given data, mean is 39 and median is 38.Then the mode is,
40
39
37
36
The arithmetic mean of a+2, a and a-2 is
a+2
a
a-2
3 a
Range of the values 20, 18, 37, 42, 3, 12, 15, 26 is
63
42
6
The mean of 9, 11, 13, P, 18, 19 is P. Then the value of P is
12
14
15
The mean and median of a uni - nodal grouped data are 72.5 and 73.9 respectively. Then mode is
73
73.5
75.4
76.7
The mode when median is 125.6 and mean is 128 is
120.8
119.7
120.5
119.8
The arithmetic mean of 67, 79, 15, 0, 93, 44, 17 is
45
50
67
80
