Construct histograms for following frequency distribution: Class … - Vidyadip

Question

Construct histograms for following frequency distribution:

Class Interval	110-119	120-129	130-139	140-149	150-159
Frequency	15	23	30	20	16

✓

Answer

Steps:
a. Make the class intervals continuous by subtracting 0.5 from the lower limit of each class and add 0.5 to the upper limit of each class.
b. On the $x$-axis, take $1 \mathrm{~cm}$ as 5 units and plot class intervals.
c. On the $y$-axis, take $1 \mathrm{~cm}$ as 5 units and plot frequency.
d. Draw rectangles of histogram as per given data.

Class Interval	Frequency
109.5-119.5	15
119.5-129.5	23
129.5-139.5	30
139.5-149.5	20
149.5-159.5	16

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