WORTH 50 POINTS PLS HURRY
Boris wants to find the average time it takes Lincoln High School students to run a lap around the track. So he will consider a sample of students to find the average time.
Answer the questions below.

(a) Which unit(s) could be used for the unit of measurement? Check all that apply.

minutes

hours

inches

meters

seconds
(b) Which of the procedures below would be the best way to find the average time?

Randomly pick students to run a lap around the track and have them state their own times.

Randomly pick students to run a lap around the track and measure their times.

Measure the times of volunteers who run a lap around the track.

Ask for volunteers to run a lap around the track and have them state their own times.