Question

For a grouped data set the total frequency is given by 40. If you are using ogive to find the first quartile, what will be the calculated point to mark on the y-axis?

• A. ${12}^{th}term$
• B. ${15}^{th}term$
• C. $9^{th}term$
• D. ${10}^{th}term$

Answer 1

The correct option is D ${10}^{th}term$

First Quartile $Q_1$ = $(\frac{n}{4}{)}^{th}term=(\frac{40}{4}{)}^{th}term={10}^{th}term$

On y-axis we select the value 10.