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...

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.

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?