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I wonder if, “Do you like sports?” is a statistical question.

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In this lesson you will learn how to define a statistical question by comparing examples and non- examples.

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Let’s Review Responses from 6 th graders at McKinley Middle School

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A Common Mistake Students ask questions with too few or too many answers and do not state a specific population. Do you like math? What do you like best about school?

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Core Lesson Do you like math? Responses from 6 th graders at McKinley Middle School

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Core Lesson Responses from 6 th graders at McKinley Middle School

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Core Lesson What do you like best about school?

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Favorite Sports on TV What is your favorite sport on TV? Based upon U.S. viewer data from The Nielsen Company.

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Core Lesson What is your favorite sport on TV? Responses from members of the University of Connecticut football team

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Core Lesson A statistical question: EExpects a variety of answers. IIncludes a specific population. HHas variability in the responses.

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In this lesson you have learned how to define a statistical question by comparing examples and non-examples.

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Guided Practice Which of these is a statistical question? What is your favorite flavor of ice cream? Is chocolate your favorite ice cream flavor?

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Quick Quiz Which of these is a statistical question? How many miles do I live from school? How many miles do the students in my school live from school?

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Which of these is a statistical question? How many books did the students at Roberts Middle School read this summer? How many books did you read today?

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How can you create a statistical question that has variability?

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Often students write questions with only two possible answers and do not state the population. “Do you like listening to music?” Yes or No.

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“Do you like listening to music?” What is 6 th graders’ favorite type of music? Who is Room 16’s favorite singer? How many hours per week do 6 th graders listen to music?

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Variability is the number of different answers you hear.

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How many answers could you expect to hear if you asked 16 sixth graders at Taylor Middle School this question: What did you eat for dinner last night?

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“What did you eat for dinner last night?” What is the 6 th graders’ favorite meal in the school cafeteria? What is the favorite Mexican food at Taylor Middle School?

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To write a good statistical question: Think about the different answers you expect to hear and edit your question. Remember to state the population.

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Look at this question: “Do you like dogs?” How many responses would you expect to hear? How could we rewrite it to account for more variability?

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Rewrite this question to make it a statistical question that accounts for variability: “Do 6 th graders at Peterson Middle School like apples or oranges?”

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Rewrite this question to make it a statistical question that accounts for variability: “What street do residents of Alexandria live on?”

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Write 5 Statistical Questions?

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