Question

Marks in Mathematics of 25 students of class are given below.

28,31,31,32,33,41,53,53,53,53,53,56,56,56,56,61,61,64,64,64,70,70,74,74,88

Present the data in the form of frequency distribution table​

Answer 1

Answer:

The frequency table for the marks of 40 students of class VIII in an examination is given below:

Range of Marks Tally Marks Frequency

0−5 |||| |||| 9

5−10 |||| |||| 9

10−15 |||| || 7

15−20 |||| |||| 9

20−25 |||| | 6

Answer 2

Answer:

The frequency distribution table for the given marks can be drawn as:

(i) The class interval (40−49) has the highest frequency and the class interval (90−99) has the lowest frequency.

(ii) In the class interval (30−39), the lower limit is 30 − 0.5 = 29.5 and the upper limit is

39 + 0.5 = 39.5.

(iii) The range of the given distribution is 97− 32 = 65.

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