The following data are the age (in years) and baby's birth weight (in grams) for a sample of 10 young women who gave birth as teenagers:
Consider the following summary statistics:
Mean age: 17.0 years
SD ages: 1.49 years
Mean birth weight: 3004 grams
SD birth weights: 414 grams
Correlation coefficient between age and birth weight: .884
-What percentage of variability in baby weights is explained by the linear relationship with mother's age?

Question

The following data are the age (in years) and baby's birth weight (in grams) for a sample of 10 young women who gave birth as teenagers:
  Consider the following summary statistics:
Mean age: 17.0 years 
SD ages: 1.49 years
Mean birth weight: 3004 grams 
SD birth weights: 414 grams
Correlation coefficient between age and birth weight: .884
-What percentage of variability in baby weights is explained by the linear relationship with mother's age?

Quizplus · Accepted Answer

The Answer of The following data are the age (in years) and baby's birth weight (in grams) for a sample of 10 young women who gave birth as teenagers:
  Consider the following summary statistics:
Mean age: 17.0 years 
SD ages: 1.49 years
Mean birth weight: 3004 grams 
SD birth weights: 414 grams
Correlation coefficient between age and birth weight: .884
-What percentage of variability in baby weights is explained by the linear relationship with mother's age?

The Following Data Are the Age (In Years) and Baby's