The following Table contains regression of delinquency index (DI) (Y) on IQ (X).

Question

The following Table contains regression of delinquency index (DI) (Y) on IQ (X). The sample of 17 observations consists of males only. Another sample of observations has been obtained for 14 females. The information needed to compare the straight-line regression equations for males and females is given in the following table 17 710.44102 Females 14620.43101 Males 26 216 175 24 -0.8 17 0.83 What one of the following is an estimated least-squares line of DI (Y) on IQ (X) for females? O -62-0.43 X O 17+175 X O -71-0.44X 24 + 216x

Explanation / Answer

Equation of least squares is, = o + 1*X

Therefore for females,
= 62-0.43X (Option A)

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