Draw histograms for the following frequency distributions:
(i) $$\begin{tabular}{|l|ccccc|c|} \hline Class Interval & $0-10$ & $10-20$ & $20-30$ & $30-40$ & $40-50$ & $50-60$ \\ \hline Frequency & 12 & 20 & 26 & 18 & 10 & 6 \\ \hline \end{tabular}$$
(ii) $$\begin{tabular}{|l|l|l|l|l|l|} \hline Class Interval & $10-16$ & $16-22$ & $22-28$ & $28-34$ & $34-40$ \\ \hline Frequency & 15 & 23 & 30 & 20 & 16 \\ \hline \end{tabular}$$
Draw histograms for the following frequency distributions:
(i) $$\begin{tabular}{|l|ccccc|c|} \hline Class Interval & $0-10$ & $10-20$ & $20-30$ & $30-40$ & $40-50$ & $50-60$ \\ \hline Frequency & 12 & 20 & 26 & 18 & 10 & 6 \\ \hline \end{tabular}$$
(ii) $$\begin{tabular}{|l|l|l|l|l|l|} \hline Class Interval & $10-16$ & $16-22$ & $22-28$ & $28-34$ & $34-40$ \\ \hline Frequency & 15 & 23 & 30 & 20 & 16 \\ \hline \end{tabular}$$

Solution:
(i)
$$\begin{tabular}{|l|l|}
\hline Class Interval & Frequency \\
\hline $0-10$ & 12 \\
\hline 10-20 & 20 \\
\hline 20-30 & 26 \\
\hline $30-40$ & 18 \\
\hline 40-50 & 10 \\
\hline 50-60 & 06 \\
\hline
\end{tabular}$$
Selina Solutions Concise Class 10 Maths Chapter 23 ex. 23 - 1
Steps of construction:

(a) Mark the class intervals on $\mathrm{x}$-axis and the frequencies on $\mathrm{y}$-axis, by taking suitable scales.

(b) Construct rectangles with class intervals as bases and corresponding frequencies as heights.

(ii)
$$\begin{tabular}{|l|l|}
\hline Class Interval & Frequency \\
\hline 10-16 & 15 \\
\hline 16-22 & 23 \\
\hline 22-28 & 30 \\
\hline 28-34 & 30 \\
\hline 34-40 & 20 \\
\hline
\end{tabular}$$
Selina Solutions Concise Class 10 Maths Chapter 23 ex. 23 - 2
Steps of construction:

(a) Mark the class intervals on $x$-axis and frequency on $y$-axis, by taking suitable scales.

(b) Construct rectangles with class intervals as bases and corresponding frequencies as heights.