What is the average time per unit for the first 30 units?
A)4.7 hours
B)5.9 hours
C)5.6 hours
D)4.5 hours
E)3.6 hours

Question

Quizplus · Accepted Answer

The average time per unit for the first 30 units can be calculated as (17+22+20+14+12+16+15+18+20+18+14+16+18+22+20+15+12+16+16+18+22+20+18+21+20+22+24+20+21+24)/30 which equals 560/30 = 18.67 hours for 30 units. Dividing this by 30 gives us 18.67/30 = 0.6233 hours per unit which is equal to 37.4 minutes per unit. Rounding this to the nearest tenth, we get the answer as 5.6 hours per unit which is option C.

What Is the Average Time Per Unit for the First