The first unit took 10 hours and the fourth unit took 8.1 hours to complete. What is the learning curve?
A) 100%
B) 99%
C) 95%
D) 90%
E) 80%

Question

Quizplus · Accepted Answer

The learning curve is 90%. This is determined by using the formula for calculating the learning rate when the time to produce the first and the nth units are known. The formula involves taking the nth root (in this case, the 4th root since we're looking at the fourth unit) of the ratio of the time it takes to produce the nth unit over the time it takes to produce the first unit, then multiplying by 100 to get a percentage. In this case, (8.1 / 10)^(1/3) * 100 ≈ 90%, indicating a 90% learning curve, which means each time the production doubles, the time taken to produce each unit reduces to 90% of the previous time.

The First Unit Took 10 Hours and the Fourth Unit