The Interquartile Range Is Used as a Measure of Variability

question 34

Multiple Choice

The interquartile range is used as a measure of variability to overcome what difficulty of the range?

• A) The sum of the range variances is zero.
• B) The range is difficult to compute.
• C) The range is influenced too much by extreme values.
• D) The range is negative.

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Definitions:

Confidence Interval

A range of numbers, derived from statistical analyses of samples, likely to possess the value of a population parameter that remains unknown.

Confidence Interval

A range of values derived from sample statistics that is likely to contain the value of an unknown population parameter.

Sample Mean

The average of a set of numerical values taken from a sample, intended to estimate the population mean.

Confidence Interval

A statistical range, with a given probability, that is likely to contain the true value of an unknown population parameter.