Explore Westonci.ca, the top Q&A platform where your questions are answered by professionals and enthusiasts alike. Our Q&A platform offers a seamless experience for finding reliable answers from experts in various disciplines. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

aved
(02.04 MC)
The mean unemployment rate in February of each year from 1990 to 2000 is x =
5.65, with a standard deviation of sx = 0.92. The mean unemployment rate in July of
each year for the same time frame is y = 5.62, with a standard deviation of sy = 1.3.
The correlation coefficient is r = 0.91.
Part A: Find the equation of the least-squares regression line for predicting July
unemployment rate from February's unemployment rate. Show your work. (3 points)
Part B: Use the regression line to predict the unemployment rate if February's rate is
3.8. Show your work. (3 points)
Part C: Find and interpret r-squared. (4 points)