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  3. AP Statistics - Confidence Intervals for Proportions

ap statistics - confidence intervals for proportions

originally streamed in 2019 with Jerry KosoffTeacher
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Learn how to build and interpret confidence intervals for proportions in AP Statistics. This video covers formulas, conditions, margin of error calculations, and how to apply these concepts for your AP exam. Confidence intervals for proportions let ...more

covered in this stream

units
Unit 6 – Proportions
topics
6.2 Constructing a Confidence Interval for a Population Proportion6.3 Justifying a Claim Based on a Confidence Interval for a Population Proportion

timestamps

  • 0:00

    Agenda and Introduction

  • 1:01

    Inference Big Picture

  • 2:03

    Tools of Inference

  • 3:05

    Inference Format Overview

  • 4:38

    Confidence Interval Examples

  • 5:41

    Point Estimate Definition

  • 7:16

    Confidence Interval Format

  • 8:49

    AP Exam Example

  • 9:20

    Point Estimate Calculation

  • 11:27

    Reasonableness Assessment

  • 14:37

    Simulation Introduction

  • 15:10

    Simulation Setup

  • 16:10

    Confidence Level Meaning

  • 18:18

    Repeated Samples Analysis

  • 20:24

    Changing Confidence Level

  • 21:56

    Sample Size Effects

  • 24:31

    Simulation Reset

  • 25:35

    Confidence Interval Summary

  • 26:37

    Margin of Error Construction

  • 27:40

    Standard Error Explanation

  • 29:12

    Critical Value Z-Star

  • 30:44

    Table B Usage

  • 31:44

    Multiple Choice Practice

  • 36:58

    Free Response Setup

  • 37:29

    Checking Conditions

  • 40:06

    Naming the Interval

  • 41:41

    Calculator Steps

  • 45:23

    City Parking Example

  • 48:58

    Conditions in Example

  • 51:01

    Constructing the Interval

  • 52:36

    Follow-Up Interpretations

  • 53:08

    Solving for Sample Size

  • 53:40

    Two-Sample Intervals

  • 55:45

    Q&A on Symbols

  • 56:16

    Critical Value Details

  • 57:17

    Eliminating Answers Strategy

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history

šŸŒŽ ap world historyšŸ‡ŗšŸ‡ø ap us historyšŸ‡ŖšŸ‡ŗ ap european history

social science

āœŠšŸæ ap african american studiesšŸ—³ļø ap comparative government🚜 ap human geographyšŸ’¶ ap macroeconomicsšŸ¤‘ ap microeconomics🧠 ap psychologyšŸ‘©šŸ¾ā€āš–ļø ap us government

english & capstone

āœšŸ½ ap english languagešŸ“š ap english literaturešŸ” ap researchšŸ’¬ ap seminar

arts

šŸŽØ ap art & designšŸ–¼ļø ap art historyšŸŽµ ap music theory

science

🧬 ap biology🧪 ap chemistryā™»ļø ap environmental sciencešŸŽ” ap physics 1🧲 ap physics 2šŸ’” ap physics c: e&māš™ļø ap physics c: mechanics

math & computer science

🧮 ap calculus abā™¾ļø ap calculus bcšŸ“ ap precalculusšŸ“Š ap statisticsšŸ’» ap computer science aāŒØļø ap computer science p

world languages

šŸ‡ØšŸ‡³ ap chinesešŸ‡«šŸ‡· ap frenchšŸ‡©šŸ‡Ŗ ap germanšŸ‡®šŸ‡¹ ap italianšŸ‡ÆšŸ‡µ ap japanesešŸ›ļø ap latinšŸ‡ŖšŸ‡ø ap spanish languagešŸ’ƒšŸ½ ap spanish literature

go beyond AP

high school exams

āœļø PSATšŸŽ“ Digital SATšŸŽ’ ACT

honors classes

šŸ¬ honors algebra IIšŸ«€ honors anatomyšŸ‡ honors biologyšŸ‘©šŸ½ā€šŸ”¬ honors chemistryšŸ’² honors economicsšŸ“ honors geometryāš¾ļø honors physicsšŸ“ honors pre-calculusšŸ“Š honors statisticsšŸ—³ļø honors us governmentšŸ‡ŗšŸ‡ø honors us historyšŸŒŽ honors world history

college classes

šŸ‘©šŸ½ā€šŸŽ¤ artsšŸ‘” businessšŸŽ¤ communicationsšŸ—ļø engineeringšŸ““ humanitiesāž— mathšŸ§‘šŸ½ā€šŸ”¬ sciencešŸ’¶ social science

hs classes

šŸ›ļø alabama historyā›°ļø appalachian studies🌓 california historyšŸŒ earth science🌐 ethnic studies🐊 florida historyšŸ‘ georgia historyšŸŒŽ global studies🌺 hawaiian studiesšŸ“° journalism🪶 native american studies🌵 new mexico history🤠 oklahoma historyāš—ļø physical sciencešŸŽ™ļø speech and debatešŸ¤ texas government🤠 texas history🌲 washington state historyšŸ•Šļø world religions
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Ā© 2026 Fiveable Inc. All rights reserved.

APĀ® and SATĀ® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.