What is the class interval of the frequency distribution in the given table?
a) 7
b) 8
c) 9
d) 10
Total angle of pie graph circle is……
a) 90o
b)120 o
c)180 o
d)360 o
If 250 students took the exam,
how many students get D grade?
a) 35
b) 25
c) 10
d) 21
William Playfair , a Scottish engineer, introduced the pie graph in…….
a) 1601
b) 1701
c) 1801
d) 1901
If data is represented in sectors of a circle then that graph is called a………
a) line graph
b) pie graph
c) table graph
d) bar chart
The term “discrete” means………….
a) distinct
b) separate
c) both a and b
d) none of these
