Question

In this lab, you collected data at the end of Weeks 1, 3, and 5. Suppose you had collected data every day for five weeks instead. Why would a line graph be a better format for this data than a bar graph? Check all that apply.

It shows trends over time.

You can plot two lines on the same graph.

It is a good format to show a whole series of data.

The growth pattern is perfectly linear.

Answer 1

Select the first three statements.

- It shows trends over time. — True. Line graphs show changes and trends across continuous time points.
- You can plot two lines on the same graph. — True. Multiple series are easy to compare on one line graph.
- It is a good format to show a whole series of data. — True. Line graphs display many sequential data points clearly.

"The growth pattern is perfectly linear." — False. A line graph does not require perfect linearity and daily data need not be perfectly linear.