Two dice are thrown at the same time. Find the probability of getting
(i) same number on both dice.
(ii) different numbers on both dice.
The monthly income of 100 families are given as below :
Calculate the modal income.
The maximum bowling speeds, in km per hour, of 33 players at a cricket coaching centre are given as follows :
Calculate the median bowling speed.
Weekly income of 600 families is tabulated below :
Compute the median income.
Given below is a cumulative frequency distribution showing the marks secured by 50 students of a class :
Form the frequency distribution table for the data.
The following are the ages of 300 patients getting medical treatment in a hospital on a particular day :
Form:
(i) Less than type cumulative frequency distribution.
(ii) More than type cumulative frequency distribution.
Find the unknown entries a, b, c, d, e, f in the following distribution of heights of students in a class :
The following table shows the cumulative frequency distribution of marks of 800 students in an examination:
Marks Number of students
Below 10 10
Below 20 50
Below 30 130
Below 40 270
Below 50 440
Below 60 570
Below 70 670
Below 80 740
Below 90 780
Below 100 800
Construct a frequency distribution table for the data above.
The following is the distribution of weights (in kg) of 40 persons :
Construct a cumulative frequency distribution (of the less than type) table for the data above.
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