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Question: twentyone mature flowers of a particular species were dissected and...

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Twenty-one mature flowers of a particular species were dissected, and the number of stamens and carpels present in each flower were counted.

x, Stamens 61 65 47 38 46 55 55 51 41 42 61 66 56 49 59 58 47 56 42 76 37
y, Carpels 19 21 23 22 32 31 25 20 23 26 35 26 28 32 28 24 33 20 23 35 22

(a) Is there sufficient evidence to claim a linear relationship between these two variables at α = .05?
(i) Find r. (Give your answer correct to three decimal places.)

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