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

Mode of frequency distribution can be obtained from

The frequency distribution of the marks obtained in a school is given below. In the table, the number of students who obtained marks from 31 to 40 , is unknown . But it is known that the average of total work obtained by the students is 42.85. Find the lost frequency.

The frequency distribution of the marks obtained by 76 students in a math. Find the average of marks obtained . {:("Numbers obtained",1-10,11-20,21-30,31-40,41-50,"Total"),("Frequncies",4,14,32,18,8,76):}

The frequency distribution of marks in Mathematics obtained by 50 students in an examination is given below. Find mode.

The frequency distribution of the family members of 65 families are given below. Find the arithmetic mean.

In the frequency distribution table given below, the average daily wage is Rs. 117.

The frequency distribution of the diameters (in mm) of 80 pipes are given below. Find their arithmetic mean, assuming 22 as the origin.

Marks obtained in an examination is

Quartiles of a frequency distribution obtained from

The weights (in Kg) and their frequency distribution of 100 students are given below. Find their arithmetic mean.