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

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.)