4. Group the given data and represent it as a bar graph.
(i) Marks obtained by students of class VIII in mathematics test out of 60. 50.50, 39, 36, 41, 43, 55, 36, 39, 54, 47, 46, 43 50.54,47,37,38,40,38,52,40,34,51,36,40, 38, 44, 43, 50, 51, 42, 39, 41, 50, 39, 39, 40, 38, 50
(a) What is the highest number of marks obtained?
(b) What is the least number of marks obtained?
(c) How many students got more than 50 marks?
(d) How many students got less than 40 marks?
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Answers
Answer
The frequency table for the marks of 40 students of class VIII in an examination is given below:
The frequency table for the marks of 40 students of class VIII in an examination is given below:Range of Marks Tally Marks Frequency
The frequency table for the marks of 40 students of class VIII in an examination is given below:Range of Marks Tally Marks Frequency0−5 |||| |||| 9
The frequency table for the marks of 40 students of class VIII in an examination is given below:Range of Marks Tally Marks Frequency0−5 |||| |||| 95−10 |||| |||| 9
The frequency table for the marks of 40 students of class VIII in an examination is given below:Range of Marks Tally Marks Frequency0−5 |||| |||| 95−10 |||| |||| 910−15 |||| || 7
The frequency table for the marks of 40 students of class VIII in an examination is given below:Range of Marks Tally Marks Frequency0−5 |||| |||| 95−10 |||| |||| 910−15 |||| || 715−20 |||| |||| 9
The frequency table for the marks of 40 students of class VIII in an examination is given below:Range of Marks Tally Marks Frequency0−5 |||| |||| 95−10 |||| |||| 910−15 |||| || 715−20 |||| |||| 920−25 |||| |