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The Frequency Table of the Marks Scored by 40 Students of Class Viii in Mathematics is Given Below: - Mathematics

The marks scored by 40 students of class VIII in mathematics are given below:
81, 55, 68, 79, 85, 43, 29, 68, 54, 73, 47, 35, 72, 64, 95, 44, 50, 77, 64, 35, 79, 52, 45, 54, 70, 83, 62, 64, 72, 92, 84, 76, 63, 43, 54, 38, 73, 68, 52, 54.
Prepare a frequency distribution with class size of 10 marks.

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Solution

The frequency table of the marks scored by 40 students of class VIII in mathematics is given below:

Mark Tally Marks Frequency
20\[-\]30 | 1
30\[-\]40 ||| 3
40\[-\]50 |||| 5
50\[-\]60 ||||  ||| 8
60\[-\]70 ||||  ||| 8
70\[-\]80 ||||  |||| 9
80\[-\]90 |||| 4
90\[-\]100 || 1

 

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APPEARS IN

RD Sharma Class 8 Maths
Chapter 23 Data Handling-I (Classification and Tabulation of Data)
Exercise 23.2 | Q 6 | Page 14
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