Use the Following to Answer the Questions Below

Use the following to answer the questions below:
A student working an independent research project wants to investigate if there is an association between the amount of sleep someone gets and their body mass index (BMI) - an indicator of body fatness. For a sample of 45 students, she records their BMI and the average amount of sleep they get on weeknights over a two-week period.
-What would it mean for average amount of sleep and BMI to be positively correlated?