| Class Interval | $0–10$ | $10–20$ | $20–30$ | $30–40$ | $40–50$ | $50–60$ |
| Frequency | $8$ | $20$ | $34$ | $22$ | $10$ | $6$ |
(ii)
| Class Interval | $130–140$ | $140–150$ | $150–160$ | $160–170$ | $170–180$ |
| Frequency | $24$ | $16$ | $29$ | $20$ | $11$ |
(i)
Steps to draw histograms for given frequency distributions,
1. On the x – axis, take $1cm=10$ units and plot frequency.
2. On the y – axis, take $1cm=10$ units and plot class interval.
3. Construct rectangles of histograms according to the given frequency distribution.
(ii)
Solution:-
Steps to draw histograms for given frequency distributions,
1. On the x – axis, take $1cm=10$ units and plot frequency.
2. On the y – axis, take $1cm=10$ units and plot class interval.
3.Construct rectangles of histograms according to the given frequency distribution.