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Monday, March 30, 2009

Surveys

Making Surveys

Students will be collecting data about other students in the classroom.
Students will be choosing a variable to investigate and then collect, organize, and graph data on that variable.

Vocabulary

Survey-an investigation made by collecting information and then analyzing it.
Variable-a quantity the may assume any one of a set of values.

Students will pick variables that have values that are not numbers. For example, hair color, favorite sport, and favorite type of pizza. Choosing a categorical variable allows the students to work more independently. Students will be making a survey, collecting the data, tallying the information, and reporting the totals when they finish.

Practice:look for examples of survey data in newspapers and magazines. Students can conduct similar experiments at home, surveying family and friends.

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