A Principal wants to know if students at a particular high school are in favor of a new dress code at their school. The principal is not able to ask the opinion of every student at the school, so she needs to select an appropriate sample of the students to represent the high school.

Select which sample of students the principal should choose.

Enter the value of

The number line shows record low temperatures for four states.

Enter the difference, in degrees, between the record low temperatures in Hawaii and South Dakota.