This is an MCQ based on the Concepts of Statistics.

Which includes the concepts of the grouped frequency distribution, the measure of central tendency, mean, median, and mode.

The class mark of the class 90-130 is:

The range of the data: 25, 81, 20, 22, 16, 6, 17,15,12, 30, 32, 10, 91, 8, 11, 20 is

Class mark of a class interval U-L is

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

Given the class intervals 1-10, 11-20, 21-30, ___, then 20 is considered in class

The ratio of the sum of observations and the total number of observations is called:

The mean of x+2, x+3, x+4 and x-2 is:

The median of the data: 4, 6, 8, 9, 11 is

The median of the data: 155, 160, 145, 149, 150, 147, 152, 144, 148 is

The mode of the given data: 4, 6, 5, 9, 3, 2, 7, 7, 6, 5, 4, 9, 10, 10, 3, 4, 7, 6, 9, 9 is;