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Unit 1 Chapter 6-1

Unit 1 Chapter 6-1. 8/11/2010. Warm-Up. Read over the “What am I learning today?” info. Write your HW for today. 1 st period – Get out your graphs. 2 nd and 4 th - I am passing out definition papers for you to write on .

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Unit 1 Chapter 6-1

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  1. Unit 1Chapter 6-1 8/11/2010

  2. Warm-Up • Read over the “What am I learning today?” info. • Write your HW for today. • 1st period – Get out your graphs. • 2nd and 4th - I am passing out definition papers for you to write on. • Sign the paper to say that you got your book. Check to make sure that your book number is correct.

  3. Line Graph Shows a change over time.

  4. Bar Graph Compares different quantities.

  5. Pictograph Uses symbols or pictures to represent data.

  6. Histogram Bar graph that shows data within an interval.

  7. Circle Graph/Pie Chart Round graph that shows percentages of a whole

  8. What am I Learning Today? Data collection Data organization How will I show that I learned it? Identify a set of data as categorical or numerical Organize data into a frequency table Describe a data set

  9. Vocabulary • Data: Information, facts, or numbers that describe something • Categorical data: Describes a quality such as a person’s gender or favorite thing. • Numerical data: Gives a count or measurement • Frequency Table: Chart for organizing data that shows the number of times an item, number, or event occurs in the data set

  10. How do you collect data? Questions Answers Why is data collected? Obtain information about a population in order to make educated decisions or answer particular questions Survey a small portion of the population, which is representative of the whole. What type of data can be collected? Categorical data Numerical data (What is your favorite color?) (How many slices of pizza can you eat?) How is data recorded and organized? Frequency table Why is it important to organize data in a table? Easier to recognize patterns and relationships and draw conclusions about the data

  11. Numerical Data and Categorical Data Categorical Numerical Kind of pet in household Favorite color Test scores How many siblings Student heights Favorite candy Weight Hours of TV viewing States you’ve visited Least favorite chore

  12. Use the following data to create a frequency table that displays the favorite colors of students in your class. Favorite Colors

  13. Numerical Data and Categorical Data Categorical Numerical Kind of pet in household Favorite color Test scores How many siblings Student heights Favorite candy Weight Hours of TV viewing States you’ve visited Least favorite chore

  14. Use the following data to create a frequency table that displays the favorite colors of students in your class. Favorite Colors

  15. Reading a Table Ms. Neely jumps rope each day as part of her fitness program. She made a tableto keep track of how much time she spent jumping rope each day for one week. • Is this the best way to organize the • frequency table? Why or why not? • What pattern do you notice in this • list of times? • If the pattern continues, how much • time would you expect Ms. Neely to • jump rope on the following Monday? • What conclusion can you draw from • this table about Ms. Neely’s fitness • program?

  16. What Next? • Periods 1, 2, & 4 • HW – Problem Solving WB 6-1 p. 44

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