Table H.1 A Worker Was Observed for Four Cycles in a Repetitive

question 33

Multiple Choice

Table H.1
A worker was observed for four cycles in a repetitive task that contains four distinct elements. The observer recorded the following items in seconds, using the snap-back method:

-How many more observations must be made in order to estimate the select time for Element 1 if the company wishes to be within 6% of the actual value with 95% confidence?

• A) 81
• B) 67
• C) 53
• D) 48

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Definitions:

Substitutes Goods

Products or services that can replace or be used in place of another to fulfill the same need or desire.

Complementary Goods

Products or services that are consumed together because the use of one enhances the use or value of the other.

Income Elasticity

A measure of how much the demand for a good or service changes in response to a change in consumers' income.

Cross Elasticity of Demand

A measure of how the quantity demanded of one good responds to a change in price of another good, indicating substitutes or complements.