What Number of Observations Would Be Required in a Time

question 99

Essay

What number of observations would be required in a time study in order to obtain a 95 percent confidence that the average time observed was no more than 0.6 minutes from the true mean, assuming a standard deviation of cycle time of 1.8 minutes?

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Definitions:

Express Warranty

A clear and definite promise made by a seller about the quality or functionality of a product.

Proper Quality

refers to the standard of goods or services that meets the expectations and requirements set by regulatory bodies, industry standards, or customer expectations.

Merchants

Individuals or businesses engaged in the sale of goods and services, especially in the retail sector.

Lemon-Law

Consumer protection laws that provide a remedy for purchasers of cars and other consumer goods that fail to meet standards of quality and performance.