Question 443701
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Hi
 x parent  and y child
x	x^2	y	y^2	xy
14	196	13	169	182
10	100	14	196	140
7	49	7	49	49
13	169	15	225	195
13	169	20	400	260
9	81	6	36	54
12	144	18	324	216
78	908	93	1399	1096

r = {{{(880-(78*93/7))/ sqrt((908- 78^2/7)(1399-93^2/7))}}} = .7493

  y = 1.54x -3.84
parent 16 years of education... the child ~ 21