Question

a) What is the class size of the given grouped frequency distribution?

b) Which class has the highest frequency?

c) If Sachin scores 20 then in which interval will he be placed in?

d) What is the upper-class limit of the class interval 10-20? [4 MARKS]

$\begin{array}{cc}\text{Runs}& \text{Cricketers}\\ 0-10& 10\\ 10-20& 3\\ 20-30& 14\\ 30-40& 25\\ 40-50& 11\end{array}$

Answer 1

Solution: 1 Mark each

a) Class size = upper class limit – lower class limit = 10

b) The class interval 30-40 has the highest frequency of 25.

c) 20 belongs to 20-30 and not in 10-20 interval.

d) 20 is the upper-class limit of 10-20 class interval.