1.

The time required for students to do a science experiment and the number of students is shown in the following grouped frequency distribution table. Show the information by a histogram and also by a frequency polygon. Time required for experiment (minutes) 20 - 22 22 - 24 24 - 26 26 - 28 28 - 30 30 - 32 No. of students 8 16 22 18 14 12

Answer» The time required for students to do a science experiment and the number of students is shown in the following grouped frequency distribution table. Show the information by a histogram and also by a frequency polygon.























Time required for

experiment (minutes)

20 - 22 22 - 24 24 - 26 26 - 28 28 - 30 30 - 32
No. of students 8 16 22 18 14 12


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