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Summary Statistics for a Quantitative Variable Practice Test
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Q1
A wildlife biologist summarized the lengths (in centimeters) of 65 fish caught in a lake. The summaries were: mean $=24.5$ cm, median $=24.0$ cm, SD $=4.0$ cm, $Q_1=22.0$ cm, $Q_3=27.0$ cm, minimum $=15$ cm, maximum $=33$ cm (five-number summary: $15, 22, 24, 27, 33$). Which interpretation is correct?
A wildlife biologist summarized the lengths (in centimeters) of 65 fish caught in a lake. The summaries were: mean $=24.5$ cm, median $=24.0$ cm, SD $=4.0$ cm, $Q_1=22.0$ cm, $Q_3=27.0$ cm, minimum $=15$ cm, maximum $=33$ cm (five-number summary: $15, 22, 24, 27, 33$). Which interpretation is correct?