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 mid value of class 1-10 is
5
5.5
6
10
The mean of first 5 whole number is
2
2.5
3
0
A histogram consists of
sectors
rectangles
triangles
squares
Range of the values 20,18,37,42, 3,12, 15,26 is
42
39
The mean and median of a data are 14 and 15 respectively. The value of mode is
16
17
13
18
If the mean of x,x+2, x+4, x+6, x+8 is 20 then x is
32
8
4
The width of a rectangle in a histogram represents
mid values of the class
class- interval
frequency of the class
number of classes
Pie diagram contains
The median of 2, 7, 4,8, 9, 1, is
7
