Question

a) In the first event, the eighth graders are running a baton relay race with three other classmates. The team’s top speed for each leg is 56.81 seconds, 59.22 seconds, 57.39 seconds, and 60.11 seconds. Use the information to predict the team’s best time for the race

Answer 1

233.53 s

The sum of best times for the legs is ...

56.81 +59.22 +57.39 +60.11 = 233.53 . . . seconds

Without additional information about the effects of training or the normal variation in times, this is the best prediction we can make.

Answer 2

58.4 seconds

Explanation:

Find the average of all the seconds by dividing the sum of the seconds by 4