Which of the Following Is an Example of a Time

question 104

Multiple Choice

Which of the following is an example of a time series?

• A) The number of daily visitors to the Niagara Falls during the month of April.
• B) The recorded exam scores of students in a class.
• C) The sales prices of single family homes sold last month in Florida.
• D) The current average prices of regular gasoline in different states of the U.S.

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Definitions:

Z-scores

A statistical measurement of a score’s relationship to the mean in a group of scores, indicating how many standard deviations an element is from the mean.

Standard Normal Distribution

A probability distribution that has a mean of zero and a standard deviation of one, commonly represented in statistics.

Less Than

A mathematical comparison indicating that one value is smaller than another.

Z-scores

Scores that are normalized to show the number of standard deviations a data point is away from the average.