Which of the Following Is True of a Z Score

question 46

Multiple Choice

Which of the following is true of a z score of -3.2 in a distribution?

• A)The score lies above the mean of the distribution.
• B)Performance is lower than the group average.
• C)The score is above the 50th percentile.
• D)Several people scored below this score.

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Definitions:

Cost Curve

A graphical representation showing how the cost to produce a given quantity of goods varies.

Cost Curve

A graphical representation showing the cost of producing different levels of output.

Economies of Scale

The reduction in the cost per unit that companies experience as a result of their large scale of operations, usually seeing these expenses decrease as the scale grows.

Diseconomies of Scale

An economic concept where, beyond a certain point, an increase in the scale of production leads to a rise in average costs per unit due to inefficiencies.