# Question: Suppose that you have the following data a

Suppose that you have the following data:

a. Draw the scatter diagram. Does it appear that x and y are related? If so, how?

b. Test to determine whether there is evidence of a linearrelationship.

a. Draw the scatter diagram. Does it appear that x and y are related? If so, how?

b. Test to determine whether there is evidence of a linearrelationship.

## Answer to relevant Questions

Refer to Exercise 16.2.a. Determine the standard error of estimate.b. is there evidence of a linear relationship between advertising and sales?c. estimate β1 with 95% confidence.d. Compute the coefficient of determination ...Refer to Exercise 16.7. Apply the three methods of assessing the model to determine how well the linear model fits.Assess fit of the regression line in Exercise 16.14.Refer to Exercise 16.10. Use the t-test of the coefficient of correlation to determine whether there is evidence of a positive linear relationship between number of cigarettes smoked and the number of sick days.It seems rather obvious that the longer one works the more one earns. The question is how much more one earns annually for each additional hour of work. Conduct an analysis of annual income (INCOME) and number of hours per ...Post your question