Line Graphs

Between what two days was the increase in texting the largest?

Thursday to Friday

Double line graphs are used to compare two sets of data over the same period of time.

True

The scale of quantities should always start at zero.

True

On what day were the most text messages sent?

Saturday

Line graphs are used to show trends in categorical data.

False

Which graph best represents the change in population of the two cities?

Option #2

Gary needs to read 500 pages by the end of the week. He started reading on Sunday. The line graph shows the page number he stopped on each night. On what three nights did he read 100 pages?

Sunday, Tuesday, and Saturday

During which year did Townville have a population of 40,000 people?

1970

During which year did the two towns have the same population? ______

1990

In which year did Carlos and Andrew have the largest difference in their salaries?

2006