11-3: TEKS Practice

  • 1. Does the scatter plot show a positive, a negative, or no association?

    A scatter plot of five points increasing in a line from left to right.

  • 2. What type of association exists for these data?

    A scatter plot of nine points scattered in a circular shape.

  • 3. Determine whether a scatter plot of data for the following would show a positive, a negative, or no association.

    time working and money earned

  • 4. Which of these pairs of categories would produce a scatter plot that has no association?

    • A. age of a tadpole and the length of its tail

    • B. time working and money earned

    • C. amount of exercise and income

  • 5. Does the scatter plot show a linear association, a nonlinear association, or no association?

    A scatter plot of six points decreasing in a line from left to right.

  • 6. Open-Ended

    • a. Which of these pairs of categories would produce a scatter plot that has no association?

      • A. Cost of gas and a taxi driver's profit

      • B. Temperature and cooling costs

      • C. Fuel efficiency and the amount of traffic

    • b. Are there any pairs of categories that could produce scatter plots that show positive and negative associations? Explain.

  • 7.  

    • a. Writing Determine whether a scatter plot of the data for the following would show a positive, a negative, or no association.

      treadmill running time and calories burned

    • b. Describe a situation that would have a positive, negative, and no association.

  • 8. 

    • a. Reasoning Which of these pairs of categories would produce a scatter plot that has a negative association?

      • A. amount of exercise and income

      • B. age of a car and reliability of a car

      • C. time exercising and calories burned

    • b. Explain your reasoning.

  • 9. Research A sociologist is studying how sleep affects the amount of money a person spends. A scatter plot was made showing the results of the study. What type of association exists between the amount of sleep and money spent?

    A scatter plot. x-axis: Amount of Sleep. y-axis: Money Spent. The points from left to right: At first, they increase slowly. Then they increase is more rapidly so that they curve slightly like the right side of a U.


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Table of Contents

Digits, Grade 8, Volume 2, Homework Helper Unit D: Two-Dimensional Shapes Unit E: Measurement and Data Unit F: Personal Financial Literacy Unit G: Step-Up Lessons English/Spanish Glossary Formulas Math Symbols Formulas Measures Properties