Scatterplots & Linear Model Squares Welcome to... Scatterplots & Linear Model Squares A Game of X’s and O’s

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1 2 3 X 4 5 6 O 7 8 9 Scoreboard Click Here if X Wins Click Here if O Wins

1 Timothy asked a group of middle school students whether or not they have a bicycle and whether or not they have a skateboard. The two-way table below shows the data collected.

1 C Home

2 Describe the relationship between the number of hot chocolate sales and the temperature outside. A. There is no correlation. B. There is a positive correlation. C. There is a negative correlation. D. Insufficient data are present.

2 C Home

3 The graph shows a line of best fit for data collected on the amount of gas used and the number of miles traveled. The equation for the line of best fit is shown below. y = 20x Based on the line of best fit, how many miles can the car expect to travel on 4 gallons of gasoline?

3 B Home

4 Describe the type of association

4 Negative Association Home

5

5 A Home

6 Which of the following can be interpreted from this data? There is no association between shoe size and SAT score. 2. There is a positive association between shoe size and SAT score. 3. There is a negative association between shoe size and SAT score. 4. There is both a positive and a negative association between shoe size and SAT score.

6 1 Home

7

7 A Home

8

8 W Home

Describe the correlation. 9 Describe the correlation.

Non Linear Correlation 9 Non Linear Correlation Home

X CONGRATULATIONS! CONGRATULATIONS! CONGRATULATIONS!

O CONGRATULATIONS! CONGRATULATIONS! CONGRATULATIONS!

Task 2: http://tinyurl.com/lineofbestfit2 Task 3: Prodigygame.com