Question

the table shows the ages and weights of babies at a hospital. newborn class weight check. age (months): 1, 2, 3, 3, 4, 4, 6, 6, 9, 9. weight (lb): 7.5, 7.25, 8.2, 7.95, 8.0, 8.75, 9.25, 8.0, 9.85, 10.0. what is the correlation between age and weight as shown in the table? none positive negative constant

Explanation:

Step1: List data pairs

Age (weeks): 1,2,3,3,4,4,5,5,5,5; Weight (kg):7.5,7.25,9.2,7.95,8.0,9.75,8.25,8.0,9.85,10.0

Step2: Observe trend

Max weight increases with age: 7.5(1), 7.25(2), 9.2(3), 9.75(4), 10.0(5).

Step3: Determine correlation

Overall, weight tends to increase as age increases.

Answer:

B. positive