Scatterplots and Trend

Describe the strength and direction of the trend

• Moderate Negative Trend

• Strong Negative Trend

• Moderate Positive Trend

• Strong Positive Trend

Describe the strength and direction of the trend

• Weak Negative Trend

• Strong Negative Trend

• Weak Positive Trend

• Strong Positive Trend

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A

• B

• C

• D

Which scatterplot shows a negative relationship?

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Choose the scatter plot that best represents this relationship: The number of pets someone owns and the size of their shoes

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Choose the scatter plot that best represents this relationship: the age of a tree and its height

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Is this line an accurate line estimate of best fit for the data?

• Yes

• No

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase.

• As the temperature increases, the number of visitors increases.

• As the visitors increase, the temperature decreases.

• No correlation

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

The red line represents the line of best fit for the scatter plot. How many ice cream sales are expected if the temperature is 90°?

• 55

• 0

• 103

• 100