If the mean of x,x+2, x+4, x+6, x+8 is 20 then x is
32
16
8
4
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
The mode of 10, 2, 8, 6, 7, 8, 9, 10, 10, 11, 10, is,
9
10
The class interval of 1-10 is
1
5.5
The arithmetic mean of integers from -5 to 5 is
3
0
25
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
55
2.5
In a histogram
The width of all rectangles are equal
The lengths of all rectangles are equal
The lengths and widths of all rectangles are equal
The lengths and widths of each rectangles are in proportion
A histogram consists of
sectors
rectangles
triangles
squares
The mean and median of a data are 14 and 15 respectively. The value of mode is
17
13
18
