The scatter plot shows the time spent watching TV and the time spent doing homework by each of 24 students last week. Also shown is the line of best fit for the data.
Fill in the blanks below.
y24681012141618202224262830323436x24681012141618202224262830320
(a)For these 24 students, as the time spent watching TV increases, the time spent doing homework tends to
(b)For these 24 students, there is correlation between time spent watching TV and time spent doing homework.
(c)Using the line of best fit, we would predict that a student watching 12 hours of TV would do homework for approximately
(a) decrease
(b) negative
(c) 18 hours