Q4 of 10 Page 56

The heights in centimetres of 30 children in a class are given below. Present the data in a frequency table.

For making frequency table,


Shortest Height = 130 cm


Longest height = 140 cm


Now, we will count frequency of each height from 130 to 140 and will write them in table form.



More from this chapter

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2

Some peas were shelled and the number of peas in each post was recorded.


Prepare a frequency table of the above data.

 3

The ages (in years) of 40 children in a class are given below. Prepare a frequency table for this data


 5

Observe the given frequency table and write the answers to the following questions.


(1) About how many families does the table give data?


(2) How many families have 3 members?


(3) How many families have 5 members?


(4) How many families have the maximum number of members?


(5) How many families have less than 4 members?

 6

The blood groups of the persons who had donated blood at blood donation camp are as follows.


Use this information to complete the table below.



(1) Which blood group has the smallest number of donors?


(2) Which blood group has the most donors?


(3) How many donors are of the ‘B’ blood group?


(4) What was the total number of donors at the camp?