The First Unit of a Product Took 832 Hours to Build

question 17

Multiple Choice

The first unit of a product took 832 hours to build, and the learning curve is 90%. How long will it take to make the 25th unit? (Use at least three decimals in the exponent if you use the logarithmic approach.)

• A) time ≤ 500 hours
• B) 500 < time ≤ 525
• C) 525 < time ≤ 530
• D) 530 < time ≤ 550
• E) time > 550

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Definitions:

Sample Range

The difference between the largest and smallest values in a sample, indicating the spread of the data within the sample.

Process Mean

The average or mean value of a set of process measurements, representing its central tendency over time.

Assignable Variation

A variation in a process or product that can be traced to specific causes, as opposed to random or inherent variability.

Defects

Imperfections or errors in a product or process that deviate from desired standards or outcomes.