Question

data are shown. number of hours of nightly sleep by age based on the data, what pattern of association is there between age and average number of hours of sleep per night?

Explanation:

Step1: Observe the scatter - plot

As age (x - axis) increases, the average number of hours of nightly sleep (y - axis) generally decreases.

Answer:

There is a negative association between age and average number of hours of sleep per night.