Given the following set of data , what is the range?
[12 , 23 , 35 , 54 , 21 , 8 , 9 , 67 ]
55
59
8
56
What is the mean of
-9 , 8 , 9 , 0 , 3 , 4 , 9 , 4 , 2 , 0.
5
3
4
6
The arithmetic mean of first n natural number is
n/2
n/2 + 1
(n + 1)/2
(n -1)/2
Which of the following is not a measure of central tendency?
Median
Standard deviation
Mean
Mode
Consider data
50
51
52
53
What is the range?4 , -1 , -3 , 4 , 3 , -3 , 9 , -3
7
12
What is the median?
1 , 5 , 3 , 7 , 10 , 5 , 4.
10
If a data set has an even number of observations, the median
is the average value of the two middle items
must be equal to the mean
cannot be determined
is the average value of the two middle items when all the items are arranged in ascending order
The difference between the largest and the smallest data value is the
Variance
Range
The mean and median of a data are 14 and 15 respectively. The value of mode is
16
17
13
18
