The scores of twenty students in a test are as follows 44, 47, 48, 49, 50, 51, 52, 53, 53, 54, 58, 59, 60, 61, 61, 63, 65, 67, 70, 73, 75. Find the third quartile

The population of students in a schools is 810. If this is represented on a pie chart. Calculate the sectoral angle for a class of 72 students.

Which of the following is not a measure of central tendency?

The table shows the ages (in years) of twenty children chosen at random from a community

What is the median of the distribution?

The table shows the ages (in years) of twenty children chosen at random from a community

What is the mean age?

The table gives the distribution  of the marks of a number of students in a test

Find the mode of the distribution

Find the mean deviation; 10, 12, 14, 15, 17, 19

If a student is picked at random from the four Departments, what is the probability that he is not from the Education Department

The pie shows that the distribution of 4320 students who graduated from foru Department in a university.

How many students from the Science?

What is the median of the following scores 22, 41, 35, 63, 82, 74 ?