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7. Frequency Distribution Tables and Graphs
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Q7 of 33 Page 166

Cumulative frequency table is given below. Which type of cumulative frequency is given. Try to build the frequencies of respective class intervals.


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5

The marks obtained by 35 students in a test in statistics (out of 50) are as below.

35 1 15 35 45 23 31 40 21 13 15


20 47 48 42 34 43 45 33 37 11 13


27 18 12 37 39 38 16 13 18 5 41


47 43


Construct a frequency distribution table with equal class intervals, one of them being 10-20 (20 is not included).

6

Construct the class boundaries of the following frequency distribution table. Also construct less than cumulative and greater than cumulative frequency tables.

8

Number of readers in a library are given below. Write the frequency of respective classes. Also write the less than cumulative frequency table.

1

The following table gives the distribution of 45 students across the different levels of Intelligent Quotient. Draw the histogram for the data.

Questions · 33
7. Frequency Distribution Tables and Graphs
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 1 2 3 4 5
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