A Study Was to Be Undertaken to Determine If a Particular

question 98

Multiple Choice

A study was to be undertaken to determine if a particular training program would improve physical fitness.An SRS of 31 university students was selected to be enrolled in the fitness program.One important measure of fitness is maximum oxygen uptake.Measurements of oxygen uptake in untrained individuals are known to follow a Normal distribution with a mean of = 45 mL/kg/min.The researchers wished to determine if there was evidence that their sample of students differed from the general population of untrained subjects.The measurements made on the subjects coming into this study produced a mean of = 47.4 mL/kg/min with a standard deviation of s = 5.3 mL/kg/min.What is the approximate P-value for the test?

• A)P < 0.005
• B)0.005 < P < 0.01
• C)0.01 < P < 0.02
• D)P > 0.02
• E)P = 0.0118

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Definitions:

Opportunity Cost

The relinquishment of possible gains that could have been obtained from alternatives when one is selected.

Production Increases

This term describes a situation where the total output of goods and services in an economy grows over a specified period.

Technology Improvement

Enhancements or advancements in technology that increase productivity, efficiency, and capabilities within industries or society.

Supply Curve

A graphical representation showing the relationship between the price of a good or service and the quantity thereof that producers are willing to supply.