Notes Over 8.6 Using Graphs to Predict Wolf Moose 1. Suppose in the year 2000 there are 28 wolves on the island. Predict how many moose would be on the island that year. 650
Notes Over 8.6 Using Graphs to Predict Wolf Moose 2. Suppose in the year 2003 there are 16 wolves on the island. Predict how many moose would be on the island that year. 1300
Notes Over 8.6 Using Graphs to Predict Wolf Moose 3. Why is there such a difference among 1987, 1995, and 2003? 16 – 1380 Trend line is an estimate, not exact. 16 – – 1300
Pg – 6 #1 – 2, 3 – 15 The table shows the population of some states and the numbers of cars registered in those states. Use the data for Exercise 1 and 2. StatePopul.Reg Cars FL GA IL KS ME MS NV NY OH PA SC TN TX WA5.52.6
Pg – 6 #1 – 2, 3 – Make a scatter plot of the data. Use the population for the horizontal axis. StatePopul.Reg Cars FL GA IL KS ME MS NV NY OH PA SC TN TX WA
Pg – 6 #1 – 2, 3 – 15 b. Draw a trend line. StatePopul.Reg Cars FL GA IL KS ME MS NV NY OH PA SC TN TX WA
Pg – 6 #1 – 2, 3 – 15 c. Predict how many cars are registered by the 7.3 million people in North Carolina. StatePopul.Reg Cars FL GA IL KS ME MS NV NY OH PA SC TN TX WA million
Pg – 6 #1 – 2, 3 – 15 d. Write an equation for your trend line b = 0 m = ½ Predict how many cars are registered by the 32.2 million people in California million
Pg – 6 #1 – 2, 3 – Describe the correlation between the two sets of data Positive Correlation
Pg – 6 #1 – 2, 3 – 15