The median of 13,23,12,18,26,19,14 is
18
23
26
27
The range of the first 10 prime numbers 2,3,5,7, 11, 13,17,19,23,29 is
28
29
The least value in a collection of data is 14.1. If the range of the collection is 28.4, then the greatest value of the collection is
42.5
43.5
42.4
42.1
SD of a collection of data is 2√2. If each value is multiplied by 3, then the SD of the new data is
√12
4√2
6√2
9√2
If t is the standard deviation of x, y, z then the standard deviation of x + 5, y + 5, z + 5 is
3/4
t + 5
t
x y z
If the variance of 14,18, 22, 26,30 is 32, then the variance of 28,36,44,52,60 is
64
128
32√2
32
Given and n = 12. The coefficient of variation is
25
20
30
10
Variance of the first 11 natural number is
√5
√10
5√2
For any collection of n, items,
n
(n - 2)
(n - 1)
0
For any collection of n items,