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Vanessa Harrison Lesson: Standard Deviation Objective: SWBAT…… Understand that standard deviation is a measure of the spread of the data Use their prior knowledge of mean, variance…etc to calculate the standard deviation Use Microsoft Excel to derive formulas and create charts that show the spread of data collected Essential Question: What information determines standard deviation and how can we illustrate such data? Materials: Math work sheets, Microsoft excel Time 15mins 5mins Student Activities Teacher Activities Points of Evaluation What are the students doing? What is the teacher doing? (questions to support students work ) Anticipated responses from students, and what teacher should do as a result Do Now: Complete sheet #1 Using the set of data used on the worksheet solve for the variance Then solve for Standard Deviation Share results with the class Log Attendance; encourage students to be persistent deriving solutions. Have calculators available so that students are able to check their work. Discuss what information is needed to derive the variance Challenge students to agree or disagree, appropriately 20mins Activity: Using excel enter the data given in the math worksheet Create a formula for standard deviation Graph the bell curve to display the spread of the data. Walk around the room to see if the class as individuals comprehend the previous discussion and can apply it to their work. 5mins Copy down HW: Assign HW Content Specific Vocabulary: Standard Deviation, Mean, Variance Can you explain how you derived the answer How does the information relate to the graph