Question

The scatter plot shows the relationship betweeen the number of hours students spend watching television and the numer of hours they spend with family each week.

What is the y-intercept of the line of best fit and what does it represent?

11.5 hours; the number of hours students spend with family in a week when they do not watch television
9.2 hours; the number of hours students watch television in a week when they do not spend time with family
9.2 hours; the number of hours students spend with family in a week when they do not watch television
11.5 hours; the number of hours students watch television in a week when they do not spend time with family

Answer 1

(0,9) it represents the incline of the line

Answer 2

B. 9.2 hours; the number of hours students watch television in a week when they do not spend time with family

Explanation:

We are given,

The x-axis represents the time spent with family and the y-axis represents the time spent on watching television.

Now, y-intercept is the point where the scatter plot crosses y-axis.

From the scatter plot and and according to the options, the data point is located at x= 0 and y= 9.2.

That is, the y-intercept represents that students watched television for 9.2 hours when they do not spend time with their family.

So, option B is correct.