Upper quartile of $$$6$$$, $$$7$$$, $$$8$$$, $$$9$$$

The calculator will find the upper (third) quartile (percentile no. $$$75$$$) of $$$6$$$, $$$7$$$, $$$8$$$, $$$9$$$, with steps shown.

Find the upper quartile of $$$6$$$, $$$7$$$, $$$8$$$, $$$9$$$.

The upper (third) quartile $$$Q_{3}$$$ is equal to the percentile no. $$$75$$$.

The percentile no. $$$75$$$ is $$$\frac{17}{2}$$$ (for steps, see percentile calculator).

$$$Q_{3} = \frac{17}{2} = 8.5$$$A

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