What is the approximate slope of the line of best fit given by a regression calculator? Data

16

х

y

X 18

16

X 23

13

12

X 25

X 29

X 30

X 33

10

8

6

2

8

4.

20

24

28

32

Linear Regression

Hi

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours