The accompanying data represent the miles per gallon of a random sample of cars with a?three-cylinder, 1.0 liter engine.

?(a) Compute the?z-score corresponding to the individual who obtained 34.5 miles per gallon. Interpret this result.

The?z-score corresponding to the individual is ____ and indicates that the data value is ____ standard?deviation(s) ____ the ____.

?(b) Determine the quartiles.

?(c) Compute and interpret the interquartile?range, IQR.

?(d) Determine the lower and upper fences. Are there any?outliers?

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