Question: 16. In Chapter 6, Problem 16 (p. 151), data were presented on the relationship between birth weight and the subsequent IQ of seven randomly selected

16. In Chapter 6, Problem 16 (p. 151), data were presented on the relationship between birth weight and the subsequent IQ of seven randomly selected psychology majors from a particular university. The data are again presented below.

Student Birth Weight (lbs) IQ 1 5.8 122 2 6.5 120 3 8.0 129 4 5.9 112 5 8.5 127 6 7.2 116 7 9.0 130

a. Assuming there is a linear relationship, use these data and determine the least-squares regression line for predicting IQ, given birth weight.

b. Using this regression line, what IQ would you predict for a birth weight of 7.5?
developmental

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