Question

in the data set below, what are the lower quartile, the median, and the upper quartile?
2 3 3 6 7 7 9
lower quartile =
median =
upper quartile =

Explanation:

Step1: Confirm sorted data set

Data set: $2, 3, 3, 6, 7, 7, 9$

Step2: Find the median

The median is the 4th value: $6$

Step3: Find lower quartile

Lower half: $2, 3, 3$. Median of this is $3$

Step4: Find upper quartile

Upper half: $7, 7, 9$. Median of this is $7$

Answer:

lower quartile = $3$
median = $6$
upper quartile = $7$