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 mean of first 5 whole number is
2
2.5
3
0
Range of the values 20,18,37,42, 3,12, 15,26 is
42
39
6
If the upper boundary of a class is 30, class interval is 10, then lower boundary is
10
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
The arithmetic mean of integers from -5 to 5 is
25
Pie diagram contains
rectangles
sectors
squares
triangles
The mid value of the class 70-79 is
78
75.5
74
74.5
The class interval of 1-10 is
1
9
5.5
The mean and median of a data are 14 and 15 respectively. The value of mode is
16
17
13
18