Content Tagged “Process of a Hypothesis Test”

Applet – Statistical Significance

Published: Mar 8th, 2013

This interactive applet for populations means illustrates the process of hypothesis testing and is part of the online content for Introduction to the Practice of Statistics, 8th Edition (Moore and McCabe). Interactive Applet: Statistical Significance For […]

Errors and Power

Published: Mar 8th, 2013

Type I and Type II Errors in Hypothesis Tests Reasons for a Type I Error in Practice Reasons for a Type II Error in Practice Power of a Hypothesis Test […]

Did I Get This – Hypothesis Testing Overview

Published: Mar 8th, 2013

Background: Based on the National Center of Health Statistics, the proportion of babies born at low birth weight (below 2,500 grams) in the United States is roughly 0.078, or 7.8% (based […]

Video – Hypothesis Testing Overview

Published: Mar 8th, 2013

This document is linked from Steps in Hypothesis Testing.

Did I Get This – Using p-values

Published: Mar 8th, 2013

The following two hypotheses are tested: Ho: The average number of miles driven per year is 12,000. Ha: The average number of miles driven per year is less than 12,000. […]

Learn By Doing – Using p-values

Published: Mar 8th, 2013

The following two hypotheses are tested: Ho: The proportion of U.S. adults who oppose gay marriage is roughly 50%. Ha: The proportion of U.S. adults who oppose gay marriage is […]

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 […]

Did I Get This – Logic of Hypothesis Testing

Published: Mar 8th, 2013

The most commonly accepted tradition is that undergraduate college students will study 2 hours outside of class for every hour in class. This means 30 hours/week for a full-time student […]