This frequency curve shows the amount of time students spend doing homework every night. How many students spend 15 minutes or more doing homework?
Use the frequency curve to find the number of students who are between 55 and 65 inches tall.
The following table shows 160 air flights landing at an airport from 12:00 pm to 10:00 pm.
|No. of Flights||35||40||45||25||15|
Which of the following graphs represent the given data?
What is the number of landings after 6:00 pm?
What is the number of landings before 6:00 pm?