Amy is a researcher at Lavelle Institute, and she leads a group conducting a study on sleeping habits. To start, each researcher in the group calls a random sample of 15 adults and asks how many hours they slept the previous night.
This box plot represents the median number of hours from each researcher's sample:
Sample median number of hours of sleep
5
6
7
8
9
Based on these statistics, what is the best estimate for the median number of hours an adult sleeps at night? Complete the sentence.
The median number of hours of sleep is likely to be about
, though it could reasonably be anywhere between
.
