Q3. For A= [56, 66, 72, 19, 54, 23, 23, 21, 65, 88] B= [30, 93, 21, 31, 36, 29, 56, 48, 33, 59] Please draw the picture, and find the linear correlation coefficient of A and B. Use the blue 'o' marker to plot all points [A, B], and use the red dotted line to plot the fitted curve in the same figure. Also, you need to give the title and legends.

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