According to the U.S. Census bureau, 23.5% of people in the United States are under the age of 18. In a random sample of 250 residents of a small town in Ohio, 28% of the sample was under 18. Which one of the following statements is true?
23.5% is a parameter and 28% is a statistic T/F

Here's what I get  

Step-by-step explanation:

Assume the scatter plot looked like the one below.

The line of best fit should go as close as possible to all the points without necessarily going through any of them.

Also, the points should be scattered relatively evenly on each side of the line.

The figure shows the best-fit line, with about half the points above it and half below it.

It will give Mr. Dylan the most accurate equation for predicting the student's grades.