Question

over several years, stephon gathered data about his age and the time it took him to run two laps on the school track. the scatter plot shows the data he gathered and the line of best fit.

the equation of the line of best fit is \\(y = -2.1x + 565.6\\).

based on the line of best fit, approximately how long will it take stephon to run two laps on the track when he is 192 months old?

163 seconds
170 seconds
178 seconds

Explanation:

Substitute the given age into the line of best fit equation

$$
LATEXBLOCK0
$$

Calculate the predicted time

$$
LATEXBLOCK1
$$

Match the result with the closest option

$$ 162.4 \approx 163 \text{ seconds} $$

Answer:

• (A) 163 seconds (Correct answer)
• (B) 170 seconds
• (C) 178 seconds