this same researcher then randomly selects on a child from each of the eight families in which there's a least one child. interested in the effects of numbers of siblings (x) on the happiness of the child (y) on a scale, from 1 (very unhappy) to 10 (very happy), test the hypothesis BY HAND that there's a positive relationship between the two values use 0.05
siblings X (1,0,2,4,2,3,1,1) happiness Y(5,3,4,7,5,9,8,4)
Thus the correlation coefficient is not significant
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