Is there a linear relationship between calories and sodium content in beef hot dogs? A study of 20 beef hot dogs gives the regression output below.

Dependent variable is: Sodium Predictor Constant 228.33 77.97 -2.93 0.009 Calories 4.0133 0.4922 8.15 0.000 S 48.5799 R-Sq= 78.7% R-Sq ( adj ) 77.5% Coef SE Coef

1. Which of the following gives a 99% confidence interval for the slope of the regression line?

2. What is the value of the test statistic associated with the independent variable calories?

3. State the conclusion of a test of the hypothesis that the slope of the line defined by calories and sodium is zero.

a) 4.0133 +- 2.861 (48.5799/SQRROOT(20)), 8.15, do not reject
b) 4.0133 +- (2.878)(0.4922), 8.15, reject
c) 4.0133 +- (2.861)(0.4922), -2.93, reject
d) 4.0133 +- 2.878 (48.5799/SQRROOT(20)), value is not shown, do not reject
e) 4.0133 +- 2.861 (0.4922/SQRROOT(20)), -2.93, do not reject