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Warm Up: 2/20

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Warm Up: 2/20

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  1. Warm Up: 2/20 Is the statement true? Why or why not? • If I wash my hands, I will not get sick. • If I wear my favorite football jersey, my team will win the game. • If I am a good driver, I will not get in any accidents. • If I memorize the answers to the questions on the study guide, I will do well on the test.

  2. February 20th Agenda: • Warm Up • Correlation • Causation • Exit Slip Essential Question: What is a correlation coefficient, and what does it tell us about two data sets?

  3. Correlation: Turn to pg. 534 in your workbook.

  4. Correlation:

  5. Brain Break! Which actor/actress would you choose to play you in a movie about your life? Why? 6 O’clock

  6. Correlation vs. Causation:

  7. Correlation vs. Causation: • Is selling ice cream necessary for shark attacks to occur? • Is selling ice cream sufficient for shark attacks to occur? • Is there a correlation between ice cream sales and shark attacks? • Is it true that ice cream sales cause shark attacks?

  8. Correlation vs. Causation:

  9. Correlation vs. Causation: • Is an increase in the number of pirates necessary for the global temperature to increase? • Is an increase in pirates sufficient for the global temperature to increase? • Is there a correlation between the number of pirates and the global temperature? • Is it true that the number of pirates causes the global temperature to change?

  10. Correlation vs. Causation:

  11. Brain Break! You are stranded on a deserted island. You have three items with you (not including a phone, boat, raft, plane, or any other way off the island). What three items do you have with you? 4 O’clock

  12. Correlation: Turn to pg. 538 in your workbook.

  13. Homework: Pg. 493-495 (1-6 all)

  14. Exit Pass: Homework: Pg. 493-495 • What value of r best represents the scatterplot to the right. • Describe the meaning of this value r. • Is there causation? Explain.