The median of first 10 natural numbers is

The classes 30 – 39, 40 – 49, 50 – 59 are called ……… .

The mode of the distribution 2, 5, 7, 5, 3, 1, 5, 8, 7, 5 is

The median value of the series 15, 12, 14, 20, 16, 10 is

The mid value of the class is used to calculate

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

The mode of the observations 8,9,10, 11, 12, 8, 9, 12, 9, 8, 9,11, 9, 8 is

The median of the observations 6, 21, 9, 19, 15 and 13 is

The lower limit of the class 60 – 69 is

The upper limit of the class 30 – 40 is