Question

The given distribution shows the number of wickets taken by the bowlers in one-day international cricket matches:

Number of Wickets	Less than 15	Less than 30	Less than 45	Less than 60	Less than 75	Less than 90	Less than 105	Less than 120
Number of bowlers	2	5	9	17	39	54	70	80

Draw a ‘less than type’ ogive from the above data. Find the median.

Answer 1

Taking upper class limits of class intervals on x-axis and their respective frequencies on yaxis, its ogive can be drawn as follows:

Here, N = 80 ⇒ \(\frac{N}2\) = 40. 

Mark the point A whose ordinate is 40 and its x-coordinate is 76.

Thus, median of the data is 76.