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Researchers would like to investigate the theory that a mother's shoe size can be used to predict an infant's birth weight. The accompanying table records a random sample of the shoe sizes of 10 mothers and the birth weights of their infants. Complete parts a through c below.a
| mothers show size | In fants weight |
|---|---|
| 38 | 1.9 |
| 42 | 2.5 |
| 36 | 1.8 |
| 41 | 2.2 |
| 30 | 1.5 |
a. Calculate the sample covariance.
b. Calculate the sample correlation coefficient.
c. Describe the relationship between x and y. Choose the correct answer below.