Mathematics
The difference between the class marks of classes 20 - 25 and 45 - 65 is :
30
32.5
35
37.5
Related Questions
Draw an ogive for the following frequency distribution :
Class - interval Frequency 10 - 19 21 20 - 29 15 30 - 39 12 40 - 49 19 50 - 59 8 Draw an ogive for the following data:
Class - interval Frequency 1 - 10 4 11 - 20 6 21 - 30 8 31 - 40 11 41 - 50 7 51 - 60 5 The graphical representation of cumulative frequency distribution is called :
Bar chart
Frequency polygon
Histogram
Ogive
Consider the following frequency distribution.
x Frequency Cumulative frequency 1 6 6 2 13 a 3 b 27 4 5 c 5 11 d 6 e 50 Which of the following combination is correct?
a = 13, c = 32, e = 9
b = 8, d = 43, e = 7
a = 19, c = 31, e = 17
b = 9, d = 38, a = 19