The Sutton Police Department Must Write,on Average,6 Tickets a Day

question 61

Multiple Choice

The Sutton police department must write,on average,6 tickets a day to keep department revenues at budgeted levels.Suppose the number of tickets written per day follows a Poisson distribution with a mean of 6.5 tickets per day.Interpret the value of the mean.

• A)The mean has no interpretation.
• B)The expected number of tickets written would be 6.5 per day.
• C)Half of the days have less than 6.5 tickets written and half of the days have more than 6.5 tickets written.
• D)The number of tickets that is written most often is 6.5 tickets per day.

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Definitions:

Licensure Exam

A standardized test that individuals must pass in order to be legally recognized as a professional in certain fields.

Median

The middle value in a data set, which divides it into two equal halves, with an equal number of values both above and below it.

Range

The difference between the highest and lowest scores in a data set, used as a measure of variability.

Stanine

A method of scaling test scores on a nine-point standard scale with a mean of five and a standard deviation of approximately two, used to simplify the interpretation of test results.