The mean of first 5 whole number is
2
2.5
3
0
The median of 2, 7, 4,8, 9, 1, is
4
6
5.5
7
In a frequency distribution the midvalue of a class is 35 and lower boudnary is 30 then its upper boundary is
20
30
40
50
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
If the upper boundary of a class is 30, class interval is 10, then lower boundary is
10
The mid value of class 1-10 is
5
A histogram consists of
sectors
rectangles
triangles
squares
Pie diagram contains
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 class interval of 1-10 is
1
9