The following data represent the calories and​ sugar, in​ grams,of various breakfast cereals.
Product | Calories | Sugar | |
|---|
A | 270 | 10.0 |
B | 280 | 3.8 |
C | 290 | 21.2 |
D | 410 | 23.4 |
E | 520 | 19.8 |
F | 530 | 23.9 |
G | 550 | 17.7 |
Use the data above to complete parts​ (a) through​ (d).
Compute the covariance.
b. Compute the coefficient of correlation.
c. Which do you think is more valuable in expressing therelationship between calories and
sugarlong dash—the
covariance or the coefficient of correlation? Explain.
d. What conclusions can you reach about therelationship between calories and sugar?
