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Proportions (Introduction & Step 1)

Published: Mar 17th, 2014

Video (7:18) Presentation with Transcript This document linked from Proportions (Introduction & Step 1)

Steps in Hypothesis Testing

Published: Mar 17th, 2014

Presentation with Transcript Part 1 (2:26) Slides 1-4: Introduction to Steps and Motivating Examples Part 2 (9:21) Slides 5-12: Steps for Motivating Examples Part 3 (4:16) Slides 13-18: Final Comments […]

Did I Get This – State Hypotheses (Proportions)

Published: Mar 17th, 2013

In each of the following examples, a test for the population proportion (p) is called for. You are asked to select the right null and alternative hypotheses. Scenario 1: When […]

Learn by Doing – State Hypotheses (Proportions)

Published: Mar 17th, 2013

In each of the following examples, a test for the population proportion (p) is called for. You are asked to select the right null and alternative hypotheses. Scenario 1:The UCLA […]

Did I Get This – Proportions (Overview)

Published: Mar 8th, 2013

Using data from 2008, the American Association of Community Colleges (AACC) reports that community college students constitute 46% of all U.S. undergraduates. Given the downturn in the U.S. economy, the […]

Learn by Doing – Proportions (Overview)

Published: Mar 8th, 2013

According to the American Association of Community Colleges, 23% of community college students receive federal grants. The California Community College Chancellor’s Office anticipates that the percentage is smaller for California […]

Proportions (Introduction & Step 1)

Proportions (Introduction & Step 1)

Published: Mar 8th, 2013

Introduction Review: Types of Variables One Sample Z-Test for a Population Proportion Step 1. Stating the Hypotheses CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods […]

Did I Get This – State the Hypotheses

Published: Mar 8th, 2013

  Data were collected in order to determine whether there is a relationship between a person’s level of education and whether or not the person is a smoker. This document […]

Learn by Doing – State the Hypotheses

Published: Mar 8th, 2013

  According to the Centers for Disease Control and Prevention, the proportion of U.S. adults age 25 or older who smoke is 0.22. A researcher suspects that the rate is […]

Steps in Hypothesis Testing

Published: Mar 8th, 2013

Hypothesis Testing Step 1: State the Hypotheses Hypothesis Testing Step 2: Collect Dtaa, Check Conditions, and Summarize Data Hypothesis Testing Step 3: Assess the Evidence Hypothesis Testing Step 4: Making […]