A Methods and Measurement Analyst Wants to Develop a Time

question 89

Multiple Choice

A Methods and Measurement Analyst wants to develop a time standard for a certain task.In a preliminary study,he observed one employee perform the task six times with an average of 20 seconds and a standard deviation of 2 seconds. How many observations should be made if he wants to be 95.44 percent confident that the maximum error in the observed time is one second?

• A)3
• B)4
• C)13.3
• D)16
• E)25

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Definitions:

Labor Services

The work performed by individuals for which they are compensated.

Inflation Rates

Inflation rates measure the rate at which the general level of prices for goods and services is rising, and subsequently, purchasing power is falling.

Four-Year Loan

This is a loan that has a term or maturity of four years from the date of initiation, requiring repayment over that time frame.

Interest Rate

The interest rate is the percentage charged on the total amount of borrowed money or paid on invested capital, reflecting the cost of borrowing or the return on investment.