Which graph uses adjacent bars?

Find the median: 12, 15, 18, 21, 24

A quality control inspector examines 50 products from a shipment of 5,000. The 50 products are the:

A poll includes 300 registered voters selected from South Carolina. The 300 voters represent:

Find the midpoint of the class 20–29.

A standard deviation of 0 means:

Heights measured in inches are:

Every 20th student on a roster is selected.

Find the mean from the frequency distribution:xf123553

Data: 10, 20, 30, 40, 50. What is the median?