Question: Interpret technology: The following display from the TI-84 Plus calculator presents the results from computing a least-squares regression line. a. Write the equation of the

Interpret technology: The following display from the TI-84 Plus calculator presents the results from computing a least-squares regression line. y=a+bx LinReg a=-1.04349 b=3.045141227 r2.9871860312 .9935723583

a. Write the equation of the least-squares regression line.

b. Predict the value of y when the x-value is 50.

c. What is the correlation between x and y?

d. Is the linear relationship between x and y strong or weak? Explain.

y=a+bx LinReg a=-1.04349 b=3.045141227 r2.9871860312 .9935723583

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