Respuesta :
Answer:
C. Children who weigh more spend more time on studying for achievement test .
Step-by-step explanation:
Correlation is a measure of relationship , mutual co-interdependence (fluctuation) between two quantitative variables .
Direct / Positive (+) correlation means the variables are directly related - one increase , other increase & one increase , other decrease . Inverse / Negative (-) correlation means the variables are inversely related - one increase , other decrease & one decrease, other increase . It lies between -1 to +1 . Correlation more than + 0.5 implies Strong correlation, less than that implies Weak correlation.
The correlation between above variables - weight and achievement test score is 0.9734 i.e there is Strong Positive relationship . So , increase in one strongly leads to increasing trend in other
Answer:
B) As age increases, so do body weight and achievement test scores.
Step-by-step explanation: