The Following data represent the marks out of 25)obtained by 20 students In a class test. 22,28,25,25,27,25,22,25,23,21,28,21,25,22,25,28,23,25,21,28. write the above data in a tabular form using tally marks and Answers the following questions a) Find the number of students who obtained full marks and in the class test. B) find the number of students who obtained marks less than 23. சி) How many students have got marks between 23 and 25?
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The marks obtained by 40 students of class VIII in an examination are given below:
16, 17, 18, 3, 7, 23, 18, 13, 10, 21, 7, 1, 13, 21, 13, 15, 19, 24, 16, 3, 23, 5, 12, 18, 8, 12, 6, 8, 16, 5, 3, 5, 0, 7, 9, 12, 20, 10, 2, 23.
Divide the data into five groups, namely 0-5, 5-10, 10-15, 15-20 and 20-25 and prepare a grouped frequency table.
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