Question

the box plots show the data distributions for the number of customers who used a coupon each hour for two days of a store sale. what is the difference of the medians? 0 2 4 7 number of coupon users per hour day 1 day 2

Explanation:

Step1: Identify median of Day 1

The line in the box - plot for Day 1 is at 8. So the median of Day 1 is 8.

Step2: Identify median of Day 2

The line in the box - plot for Day 2 is at 4. So the median of Day 2 is 4.

Step3: Calculate difference of medians

Subtract the median of Day 2 from the median of Day 1: $8 - 4=4$.

Answer:

4