Lesson 10: Using Data Displays to Find Associations | Unit 6: Associations in Data

Open Ended

An ecologist is studying a forest with a mixture of tree types. Since the average tree height in the area is 40 feet, he measures the height of the tree against that. He also records the type of tree. The results are shown in the table and segmented bar graph. Is there evidence of an association between tree height and tree type? Explain your reasoning.

Open Ended

Workers at an advertising agency are interested in people’s TV viewing habits. They take a survey of people in 2 cities to try to find patterns in the types of shows they watch. The results are recorded in a table and shown in a segmented bar graph. Is there evidence of different viewing habits? If so, explain.

Open Ended

A scientist is interested in whether certain species of butterflies like certain types of local flowers. The scientist captures butterflies in 2 zones with different flower types and records the number caught. Do these data show an association between butterfly type and zone? Explain your reasoning.

Multiple Choice

Which statement is true?

• People that play a sport are less likely to play an instrument.

• People that play a sport are more likely to play an instrument.

Multiple Choice

TRUE or FALSE: A larger percentage of the total flawed erasers are red and blue.

• TRUE

• FALSE