A Large Oil Company Is Studying the Number of Gallons

question 98

Multiple Choice

A large oil company is studying the number of gallons of gasoline purchased per customer at self-service pumps. The mean number of litres is 10.0 with a standard deviation of 3.0 litres. The median is 10.75 litres. What is the Pearson's coefficient of skewness?

• A) - 1.00
• B) - 0.75
• C) + 0.75
• D) + 1.00

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Definitions:

Sustained Muscle Contraction

A continuous muscle contraction without relaxation, often due to persistent stimulation.

Tetanus

A bacterial infection characterized by muscle spasms, caused by the bacterium Clostridium tetani.

Threshold Stimulus

The minimum stimulus needed to cause a depolarization of the membrane and generate an action potential in excitable cells.

Muscle Fatigue

Muscle fatigue is the decline in ability of a muscle to generate force, often experienced after prolonged activity or strain.