Hot dogs
Healthy eating probably doesn't include hot dogs, but if you are going to have one, you'd probably hope it's low in both calories and sodium. In its July 2007 issue, Consumer Reports listed the number of calories and sodium content (in milligrams) for 13 brands of all-beef hot dogs it tested. Examine the association, assuming that the data satisfy the conditions for inference.
Dependent variable is: Sodium
R squared = 60.5%
s = 59.66 with 13 - 2 = 11 degrees of freedom
| Variable |
Coefficient |
SE(Coeff) |
t-ratio |
P-value |
| Constant |
90.9783 |
77.69 |
1.17 |
0.2663 |
| Calories |
2.29959 |
0.5607 |
4.1 |
0.0018 |
a) State the appropriate hypotheses about the slope.
b) Test your hypotheses and state your conclusion in the proper context.