__________ is defined as the number corresponding to the cumulative frequency equal to half the total frequency.
Mean
Median
Mode
Range
What is the range?4 , -1 , -3 , 4 , 3 , -3 , 9 , -3
6
7
8
12
The measure of central tendency which can't be found graphically is
None of these
The median of the following data is
45 , 49 , 42 , 56 , 41 , 36 , 34 , 38 , 41 , 40 , 42 , 41 , 39 , 40 , 39 , 36 , 41?
40
39
38
41
A data has 25 observations (arranged in descending order ) which observation represents the median?
12th
13th
14th
15th
The mode of the 45 , 49 , 42 , 56 , 41 , 36 , 34 , 38 , 41 , 40 , 42 , 41 , 39 , 40 , 39 , 36 , 41 is
49
56
The arithmetic mean of first n natural number is
n/2
n/2 + 1
(n + 1)/2
(n -1)/2
What is the median?
1 , 5 , 3 , 7 , 10 , 5 , 4.
5
10
Construction of a cumulative frequency table is useful in determining the
All the above three measures
The difference between the largest and the smallest data value is the
Variance
