Which of the Following Is True of the Normal Distribution

question 24

Multiple Choice

Which of the following is true of the normal distribution?

• A)The normal curve is symmetrical.
• B)The normal curve is unimodal.
• C)The tails extend indefinitely in either direction.
• D)All of the above are true.

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Definitions:

Negatively Skewed

A characteristic of a distribution where the tail on the left side of the distribution is longer or fatter than the right side, indicating that the bulk of the values lie to the right side.

Median

The middle value in a sorted list of numbers, dividing the data into two halves.

Mode

The value that appears most frequently in a dataset.

Sample Mean

The average value of a sample set of numbers, calculated by adding all the observations and dividing by the number of observations.