In box-and-whisker plots, the median is the line in the middle of the box. The median for the seventh graders is about 3.5 and the median for the eighth graders is 4. Therefore, the eighth graders have a greater median.
A fee charged based on the total cost of things you buy. It is collected by the seller and added onto the price of the things bought. It's based on a percent set by the government.
A partial discount or refund given on a purchased item
Taxes paid by employees to federal and state government. Collected or withheld from one's paycheck.
The total amount of an employee's earnings before deductions are taken out (aka Total Pay), and may include overtime pay
The pay you get after taxes and the deductions. You subtract your gross pay by federal tax, social security, etc.