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Investigation 2 Types of Data

Investigation 2 Types of Data. Michelle Ballentine Kendria Sutherlin Verra Williams. Quote. It is a mathematical fact that 50% of all doctors graduate in the bottom of their class. ~Unknown. POD. How many times can you subtract 7 from 83? What is left afterwards?.

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Investigation 2 Types of Data

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  1. Investigation 2Types of Data Michelle Ballentine Kendria Sutherlin Verra Williams

  2. Quote It is a mathematical fact that 50% of all doctors graduate in the bottom of their class. ~Unknown

  3. POD How many times can you subtract 7 from 83? What is left afterwards?

  4. You can subtract it as many times as you want, and it leaves 76 every time. 83-7 =76 83-7 =76 83-7 =76 83-7 =76 83-7 =76 83-7 =76

  5. Launch

  6. Grouping Activity

  7. OBJECTIVE • To note the kind of data being collected; that is categorical or numerical • To use bar graphs to display categorical and numerical data • To understand how measures of center (median, mode) and spread (range) relate to numerical and categorical data

  8. I have Who has?

  9. IMOW

  10. Problem 2.1 • From the graphs definitions you formed by doing IMOW, complete the following: • Write two questions that have categorical data as answers. • Write two questions that have numerical data as answers.

  11. Journal Writing • Problem 2.1 Follow-UP • Is it possible to find the mode of a set of categorical data? Explain your answer. • THINK PAIR SHARE

  12. Categorical

  13. Numerical

  14. HOMEWORK ACE problems 1-8 page 26

  15. What type of graph is it? BAR

  16. What type of graph is it? CIRCLE

  17. What type of graph is it?

  18. Classroom Activity • Using animal crackers create the following: • Bar graph or line plot • Circle graph with the following: fraction, decimal & percent Make sure you graph has the following elements: Title, legend, labeled y-axis and x-axis Materials: Poster board, glue, animal crackers

  19. Problem 2.2 • Decide whether each question below can be answered by using data from the graphs the students created. If a question can be answered, explain why not and tell what additional information you would need to answer the question.

  20. Which graph show categorical data, and which graph shows numerical data? • What is the total number of pets the students have? • What is the greatest number of pets that any student in the class has? • How many students are in the class? • How many students chose cats as their favorite kind of pet?

  21. How many cats do students have as pets? • What is the mode for the favorite kind of pet? • What is the median number of pets students have? • What is the range of the numbers of pets students have? • Tomas is a student in this class. How many pets does he have? • Do the girls have more pets than the boys?

  22. Journal Writing • Follow-Up 2.2 • Do you think the students surveyed live in a city, the suburbs, or the country? Explain your answer.

  23. HOMEWORK ACE Problems #’s: 9-14 pages 26-28

  24. JOURNAL REFLECTIONS Page 29 Problems 1-3

  25. WORD WALL • Mode • Range • Average (mean) • Measures of center • Median • Bar graph • Line plot • Categorical • numerical

  26. ACOS • Standard 1 • Standard 2 • Standard 10

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