ACCA PM · Chapter 11 · Question 3 of 10
The first batch of a new product took 200 hours. The first four batches took a total of 512 hours. What learning rate is being experienced?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) 80%
Explanation
Cumulative average time for 4 batches = 512 / 4 = 128 hours. Four batches is two doublings from one, so 200 x r^2 = 128, giving r^2 = 0.64 and r = 0.80, an 80% learning rate.
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