Tally marks are used to find
(a) class interval           (b)  range
(c) frequency                       (d)  upper limit

Mean is also known as (a) median (b) average (c) range (d) frequency

Write the comulative frequency of class interval 30-40

Explain the meaning of the following: (i) Class-interval(ii) Class size (iii) Frequency (iv) Class limits (v) True class limits

Explain the meaning of the following terms: variate (ii) class-integral (iii) class-size class-mark (v) frequency class limites (vii) true class limits

The class marks of a distribution are 12, 18, 24, 30. Find the class interval.

From the following frequency table. Find : (a) The frequency of fifth class interval (b) The upper class limit of third class interval. (c) The lower class limit of second class interval. (d) The class mark of sixth class interval.

A frequency polygon is constructed by plotting frequency of the class interval and the (a) upper limit of the class (b) lower limit of the class (c) mid value of the class (d) any values of the class

The marks obtained by 32 students of a class are given below. Prepare a frequency table with class intervals 31-40, 41-50, ….. etc.

Find the unknown entries (a,b,c,d,e,f,g) from the following frequency distribution of heights of 50 students in a class: Class intervals (heights in cm) Frequency Cumulative Frequency 150-155 155-160 160-165 165-170 170-175 175-180 12 b 10 d e 2 a 25 c 43 48 f

The number of times a particular item occurs in a given data is called its variation (b) frequency (d) class-size