Which of the Following Is True of Variance

question 75

Multiple Choice

Which of the following is true of variance?

• A) The formula to calculate variance of a population is not the same as the formula to calculate variance of a sample.
• B) Its value is inversely proportional to the degree to which the data is spread from the mean.
• C) It only requires the middle 50% of data to be calculated.
• D) It is the square root of standard deviation.

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Definitions:

Production Sequence

A specific order in which production tasks or operations are carried out to manufacture a product.

Fleet Repair Facility

A dedicated center for the maintenance and repair of a collection of vehicles, ensuring they remain operational and safe.

Utilization

The extent to which a resource, such as equipment or labor, is being used effectively, typically expressed as a percentage of total available capacity.

Efficiency

The ratio of the output generated to the input used, expressing the effectiveness of a system or process in utilizing resources.