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In a study of the function of pectoral fins in fish, a graduate student examined 7 fish with the given lengths (in centimeters, cm).

In a study of the function of pectoral fins in fish, a graduate student examined 7 fish with the given lengths (in centimeters, cm). 30 28 29 27 31 25 29 What is the variance of these 7 fish lengths? 1.41 cm 1.99 cm 3.39 cm 3.95 cm

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