Coach Meyer is the track coach at school. She asks her athletes to record the maximum weight that they can lift
on the leg-press weight machine. The histogram shows the
data she has recorded.
Maximum Weight on Leg Press
15
12
Number of students
0
21 - 30 31-40 41 - 50
Weight (pounds)
What unit of measure is used in the study?

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?