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Christmas Survey

Conduct a Christmas survey to determine the most popular gift and convert fractions to decimals and percentages. Analyze the results and compare with the class average.

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Christmas Survey

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  1. Christmas Survey

  2. Bell Ringer • Convert the fractions to a decimal and a percent: • 1) 3/5 • 2) 7/10 • Convert each of these decimals into a fraction: • 3) 0.4 • 4) 0.25

  3. Surveys • During the last election, people talked a lot about polls, to say which candidate is winning. • How did they do that? Photo by Pete Souza Wikipedia.com 51% ± 2% 49% ± 2% Photo by Gage Skidmore Wikipedia.com

  4. Surveys • Sometimes you can ask part of a population, and use that information to make predictions about the whole population.

  5. Christmas Survey • What is the most popular gift this Christmas? • Each student will chose one of the following: • Video Game (Call of Duty: Ghosts) • Clothes (gift certificate to Aeroposatle) • DVD (Hunger Games, Fast & Furious 6, or Despicable Me 2) • We will collect information about the class. • Each of you will ask 9 people (plus yourself), then calculate the number of students who gave each answer as a fraction, decimal, and percent. • Write down the names of the people that you talked to.

  6. Results • What was the class average? • How close was your result? • It should have been within about 15% • If your result was really different from the class average, why do you think that was? • If your result was really similar, why do you think you got it right?

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