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
40.2 miles per gallon. Interpret this result. |
(b) |
Determine the quartiles. |
(c) |
Compute and interpret the interquartile range, IQR. |
(d) |
Determine the lower and upper fences. Are there any outliers? 32.2 |
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