When Extreme Values Are Present in a Set of Data,which

question 7

Multiple Choice

When extreme values are present in a set of data,which of the following descriptive summary measures are most appropriate?

• A)Coefficient of variation and range
• B)Mean and standard deviation
• C)Interquartile range and median
• D)Variance and interquartile range

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Definitions:

Level Of Significance

The probability of making a Type I error when the null hypothesis is true as an equality.

Population Variances

A measure of the spread between numbers in a data set, showing how much each number differs from the mean of the population.

Test Statistic

A quantity derived from sample data used to decide whether to reject the null hypothesis in hypothesis testing.

F Distribution

A statistical distribution used in analysis of variance, displaying possible values a statistic might have for complex comparisons.