The maximum weights in kilograms for which one repetition of a half squat can be performed and the jump heights in centimeters for 12 international soccer players are given in the accompanying table.  The correlation coefficient rounded to three decimal places is r = 0.742. @ a= 0.05 is there enough evidence to conclude that there is a signfifican linear correlation between he variables?  weight        x            190  185  155  180  175  170  150  160  160  180  190  210 jump height y            60     57    55    61    55    63    52    51    48    58    60    63

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