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
The average age of 5 students is 60 years, then their total age =
300
250
200
400
The median of 13,23,12,18,26,19,14 is
18
23
26
27
For any collection of n, items,
n
(n - 2)
(n - 1)
0
The range of the first 10 prime numbers 2,3,5,7, 11, 13,17,19,23,29 is
28
29
The mean of 9,11,13,p,18,19 is P. Then the value of p is
10
12
14
15
The variance of 10,10,10,10 is
√10
5
If the variance of a data is 12.25, then the S.D is
3.5
3
2.5
3.25
For any collection of n items,
Variance of the first 11 natural number is
√5
5√2
