Range of the values 20,18,37,42, 3,12, 15,26 is
3
42
39
6
The mean and median of a data are 14 and 15 respectively. The value of mode is
16
17
13
18
The greater than cumulative frequency of a class is 83 and that of next class is 72 then the frequency of the class is
11
12
60
80
In a frequency polygon ___________ are used.
mid points of classes and frequencies
end points of classes and frequencies
upper boundaries of classes less than cumulative frequencies
lower boundaries of classes less than cumulative frequencies
The mean of the first 10 natural numbers is
25
55
5.5
2.5
If the mean of x,x+2, x+4, x+6, x+8 is 20 then x is
32
8
4
A histogram consists of
sectors
rectangles
triangles
squares
The width of a rectangle in a histogram represents
mid values of the class
class- interval
frequency of the class
number of classes
The mode of 10, 2, 8, 6, 7, 8, 9, 10, 10, 11, 10, is,
9
10
The median of 2, 7, 4,8, 9, 1, is
7
