Patterns of Association

What type of correlation does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

identify the outlier

• 30, 100

• 100, 30

• there is no outlier

What data points are outliers in the scatter plot?

• A

• B

• C

• D

Which of these statements is true about the data in the scatter plot?

• As x increases, y tends to increase.

• As x increases, y tends to decrease.

• As x increases, y tends to stay unchanged.

• x and y are unrelated.

Select all the following that describe the association in the scatter plot:

• Linear association

• Non-linear association

• Positive association

• Negative association

• No association

For the same data, two different models are graphed. Which model more closely matches the data? Explain your reasoning.

For the same data, two different models are graphed. Which model more closely matches the data? Explain your reasoning.

Draw a line that you think is a good fit for the data.

What does the slope of the line tell you about the wingspans and lengths of these butterflies?

Which of these statements is true about the data in the scatter plot?

• As x increases, y tends to increase.

• As x increases, y tends to decrease.

• As x increases, y tends to stay unchanged.

• x and y are unrelated.