A six-faced balanced dice is rolled 20 times and the frequency distribution of the integers obtained is given below . Find the inter quartile range .

Six faces of a balanced die are numbered from integers 1 to 6. This die is tossed 60 times and the frequency distriction of the integers obtained is given below. Then the mean of the grouped data is {:("Integer",1,2,3,4,5,6),("Frequency",8,9,10,16,9,8):}

Six faces of a balanced die are numbered from integers 1 to 6. This die is tossed 60 times and the frequency distriction of the integers obtained is given below. Then the mean of the grouped data is {:("Integer",1,2,3,4,5,6),("Frequency",8,9,10,16,9,8):}

Given below is the frequency distribution of the heights of playces in a school : Find the modal height

Given below is the frequency distribution of the heights of playces in a school : Find the modal height

A six faced unbiased dice is rolled 4 times . How many different outcomes are possible?

The step frequency distribution table of the marks obtained by female students is given below. Calculate the mean marks.

Find the mean variance of the frequency distribution given below :

From the following frequency distribution table find (i) Lower quartile (ii) Upper quartile (iii) Inter quartile range