In a histogram, class width is $10$ and the bar over $20$-$30$ has height $14$. The frequency of class $20$-$30$ is:

Question

Aicharya · Accepted Answer

When all class widths are equal, the height of a bar equals the frequency, hence $14$.

In a histogram, class width is $10$ and the bar over $20$-$30$ has height $14$. The frequency of class…