Question

The data shown on the scatter plot below demonstrates the relationship between a young boy's age (in months) and the

average number of hours that he sleeps each night.
The slope of the best fit line shows that as the boy's age _________,
the average number of hours
that he sleeps each night _________.

Blank A options:
Decreases
Increases
Stays the same

Blank B options:
Increases
Decreases
Stays the same

Answer 1

The data shown on the scatter plot below demonstrates the relationship between a young boy’s age (in months) and the average number of hours that he sleeps each night.

Explanation:

The slope of the best fit line shows that as the boy’s age

increases

the average number of hours that he sleeps each night

decreases

.

Answer 2

a) increases b) decreases

Explanation:

Typically, descriptions of trends are indicated as the change of the dependent (y) variable with respect to the increase of the independent (x) variable. In this case, age is the x variable and hours of sleep is the y variable.