Question

which dot plot shows three people that sleep for eight hours a night and three people that sleep for six hours a night?
how many hours do you sleep at night?
5 6 7 8 9
how many hours do you sleep at night?
5 6 7 8 9
how many hours do you sleep at night?

Explanation:

Step1: Check the number of dots at 6

Count the number of dots above 6 on the horizontal axis.

Step2: Check the number of dots at 8

Count the number of dots above 8 on the horizontal axis.

Answer:

The first dot - plot.