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SWBAT: Construct and interpret a confidence interval for a population proportion. Do Now: A confidence interval is centered around a: I. Parameter II.

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Presentation on theme: "SWBAT: Construct and interpret a confidence interval for a population proportion. Do Now: A confidence interval is centered around a: I. Parameter II."— Presentation transcript:

1 SWBAT: Construct and interpret a confidence interval for a population proportion. Do Now: A confidence interval is centered around a: I. Parameter II. Statistic III. Measure of Variance. (A) I only (D) I and II only (B) II only (E) II and III only (C) III only

2 SWBAT: Construct and interpret a confidence interval for a population proportion.

3 Gimme a Kiss! Introducing Confidence Intervals Using Hershey’s Kisses SWBAT: Construct and interpret a confidence interval for a population proportion.

4 Data Collection Introduction to problem: What proportion of the time will a Hershey’s Kiss land on its base? Students drop their cup of 5 Kisses 10 times so that each student obtains a sample of 50 random Hershey’s Kiss drops. Calculate p-hat and with their group members. SWBAT: Construct and interpret a confidence interval for a population proportion.

5 Calculation of Interval SWBAT: Construct and interpret a confidence interval for a population proportion.

6 Graph of the Intervals SWBAT: Construct and interpret a confidence interval for a population proportion.

7 Results According to an NCTM article, the true proportion of the time a Hershey’s Kiss will land on its base is.35.

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