Rebecca Schwartz

Mathematics

28 July, 15:43

The height (in feet) of a sample of trees in the school playground: 12.5, 9.8, 13.5, 11.2, 12.3, 14.2, 11.7, 9.8, 12.6, 10.4

A. mean = 13.1 ft; standard deviation = 1.43 ft

B. mean = 11.8 ft; standard deviation = 4.52 ft

C. mean = 11.8 ft; standard deviation = 4.52 ft

D. mean = 11.8 ft; standard deviation = 1.43 ft

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