Scatter Plots and Association Quick Check

Scatter plots can help determine if one variable has an effect on the other, or if there are overall trends, patterns, or ​ (a)   between the variables.

• associations
• bivariate
• numerical

What does bivariate mean?

• 1 variable

• 2 variables

• 3 variables

• 4 variables

_________________ correlation is when one set of data increases and the other set of data also increases.

• Positive

• Negative

• No

_________________ correlation is when one set of data increases and the other set of data decreases.

• Positive

• Negative

• No

_________________ correlation is when there is NO relationship between two sets of data.

• Positive

• Negative

• No

Describe the type of association you'd expect to see between the following variables:

The outside temperature and the amount of layers you wear.

• A) Positive correlation

• B) Negative correlation

• D) No correlation

Describe the type of association you'd expect to see between the following variables:

The number of letters in a person's name and a person's IQ

• A) Positive correlation

• B) Negative correlation

• D) No correlation

If a straight line can be drawn to follow the overall trend of a scatter plot, it is ________.

Which of the following scatter plots may display the relationship between the temperature outside and the total gallons of gas sold at a gas station?

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Which of the following scatter plots may display the relationship between the size of a home and the cost of monthly utilities for the home?

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