'2 proportion' diaporamas de présentation

Chapter 14: Chi-Square Procedures

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Chapter 14: Chi-Square Procedures

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Joint UNCTAD-ITU-UNESCAP Workshop Information Society Measurements in Asia-Pacific

International Telecommunication Union. Joint UNCTAD-ITU-UNESCAP Workshop Information Society Measurements in Asia-Pacific Bangkok, 26-28 July 2006 Ms. Esperanza C. Magpantay Statistician Market, Economics and Finance Unit (MEF) Telecommunication Development Bureau (BDT).

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Joint UNCTAD-ITU-UNESCAP Workshop Information Society Measurements in Asia-Pacific

International Telecommunication Union. Joint UNCTAD-ITU-UNESCAP Workshop Information Society Measurements in Asia-Pacific Bangkok, 26-28 July 2006 Ms. Esperanza C. Magpantay Statistician Market, Economics and Finance Unit (MEF) Telecommunication Development Bureau (BDT).

212 views • 21 slides

Chapter 22: Comparing Two Proportions

Chapter 22: Comparing Two Proportions. AP Statistics. In this chapter, we take what we have learned and apply it to comparing two proportions and determining if there is a difference between the two proportions (obtained from two samples).

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Chi-Square Test

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Chi-Square Test

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Chi-Square Test

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Convert Between Systems

Convert Between Systems. Use a calculator for this assignment. EX 1). Convert 45 miles to km. 1: Set up Ratio. 1. mi km. 45. mi km. =. 2.61. 2: Form a Proportion. X. 3: Solve Proportion. 1. 117.45. Cross multiply Divide. x = 117.45. EX 2).

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2 Sample Confidence intervals for proportions

2 Sample Confidence intervals for proportions. By Kaitlin, Bobbye , Dylan. What is a confidence interval? ? are the estimated plus or minus of some amount (ex: 50% - 2% to 50% + 2% OR 48% to 52%).

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