1. Scatter Plots Chapter 1 Section 5

2. Scatter Plot - A graph that relates data from 2 different sets. - To make a scatter plot, the 2 sets of data are plotted as ordered pairs. Example Hours of TV watched/dayTest Scores 289 572 388 Ordered pairs are:(2, 89) (5, 72) (3, 88 )

3. Correlation Positive correlation No correlation - In general, both sets of data increase together - Sometimes data sets are not related Negative correlation - In general, one set of data decreases as the other set increases

4. A trend line shows the correlation more clearly.

5. ?s?s

6. Assignments Class work Page 35A) #1 – 5 Page 35-36B) 6 – 12, 13 or 14, 15 or 16 Homework Page 37 #26 – 29