A store wants to predict net profit as a function of sales for
next year. Historical data for 8 years is given in the table below.
(a) Make a scatter diagram for the data, using Sales for the independent variable and Net Profit for the dependent variable. Insert the trend line and add the equation and R2 value to the diagram.
(b) Determine the correlation coefficient. Comment on the value of the correlation coefficient.
(c) Find the predicted value of Y given X = 75. Give an interpretation of the predicted value in the context of the problem.
(d) Construct an ANOVA table and attach the summary output.
Other samples, services and questions:
When you use PaperHelp, you save one valuable — TIME
You can spend it for more important things than paper writing.