In: Math
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 the relationship between calories and
sugarlong dash—the
covariance or the coefficient of correlation? Explain.
d. What conclusions can you reach about the relationship between calories and sugar?