Use the Following to Answer Question

question 240

Multiple Choice

Use the following to answer question
Figure: Mileage and Speed by Car Weight
-(Figure: Mileage and Speed by Car Weight) Which of the following statements about the graph is correct?

• A) Mileage is related only to speed,not car weight.
• B) Speed is related to mileage and car weight.
• C) Mileage is related to both speed and car weight.
• D) Mileage is unrelated to speed and car weight.

---

Definitions:

Mean Math Score

The arithmetic average of math scores across a specified group or sample.

Middle Distance Runners

Athletes who specialize in running races that are neither short sprints nor long-distance marathons, typically ranging from 800 to 5000 meters.

Paired T-test

a statistical test used to compare the means of two related groups.

Significance Level

A threshold used in statistical testing to determine whether to reject the null hypothesis, commonly set at 0.05.