A Time Study Analyst Is Determining the Standard Time for a Work

question 98

Multiple Choice

A time study analyst is determining the standard time for a work element.The select time is 6.0 minutes,and the standard deviation of the select time is 2.2 minutes,based on a pilot sample of 20 observations.What is the appropriate sample size if the estimate for the select time is to be within 10 percent of the true average time 95 percent of the time (z = 1.96) ?

• A)fewer than 30 observations
• B)greater than or equal to 30 observations but fewer than 40 observations
• C)greater than or equal to 40 observations but fewer than or equal to 50 observations
• D)greater than or equal to 50 observations

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Definitions:

Apical

Pertaining to the apex or pointed end of a structure, often used to describe the location of a heart pulse point at the left side of the chest.

Hypertension

A chronic medical condition where the blood pressure in the arteries is persistently high, increasing the risk of heart, brain, kidney, and other diseases.

Blood Pressure

The force exerted by circulating blood on the walls of blood vessels, measured as two numbers indicating pressure during heartbeats (systolic) and in between (diastolic).

Elevated Reading

A measurement or value that is higher than normal or expected, often indicating a potential issue or condition.