Question

Your new job at Panasony is to do the final assembly of camcorders. As you learn how you get faster. The company tells y qualify for a raise if after 13 weeks your assembly time averages under 20 minutes. The data shows your average assemb of your first 10 weeks. Week Time (min) 1 43 2 39 3 35 4 33 5 32 6 30 7 30 8 28 9 26 10 25 What does the slope of the regression line represent in terms of the time it takes to assemble a camcorder? BIU A A IX E V @ 1 12pt Paragraph

Answer 1

The regression line obtained by using Time as dependent variable and Week as independent variable is:

Time = -1.81*Week + 42.07

The slope of the regression line is -1.81 which is negative. Hence, it shows that as weeks increase, the Time to assemble the camcorder decreases. The slope also represents the change in time for 1 unit change in week. As week increases by 1 unit, the Time would decrease by 1.81.