IQ and reading scores Data on the IQ test scores and reading test scores for a group of fifth-grade children give the following regression line: predicted reading score = -33.4 + 0.882(IQ score). What’s the slope of this line? Interpret this value in context.

What’s the y intercept? Explain why the value of the intercept is not statistically meaningful.

Find the predicted reading score for a child with an IQ score of 90.