# Activity 2: Did I Get This? Category

“Did I Get This?” activities for our course materials.

## 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 […]

## 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 […]

## Did I Get This – Confidence Intervals – Proportions #3

Published: Feb 16th, 2013

The purpose of this activity is to use statistical software for calculating the sample proportion. Software is particularly useful when all you have are the raw data (no summary has […]

## Did I Get This – Confidence Intervals – Proportions #2

Published: Feb 16th, 2013

This document is linked from Population Proportions.

## Did I Get This – Confidence Intervals – Proportions #1

Published: Feb 16th, 2013

This document is linked from Population Proportions.

## Did I Get This – Confidence Intervals: Means #3

Published: Feb 16th, 2013

Here is one final practice for these confidence intervals!! The purpose of this activity is to use statistical software for calculating the sample mean. Software is particularly useful when all […]

## Did I Get This – When to Use Z-Interval (Means)

Published: Feb 16th, 2013

Below are four different situations in which a confidence interval for μ (mu) is called for. Situation A: In order to estimate μ (mu), the mean annual salary of high-school teachers in […]

## Did I Get This – Sample Size and Confidence

Published: Feb 16th, 2013

This document is linked from Population Means (Part 2).

## Did I Get This – Margin of Error

Published: Feb 16th, 2013

This document is linked from Population Means (Part 2).

## Did I Get This – Confidence Intervals: Means #2

Published: Feb 16th, 2013

In a recent study 1,115 males 25 to 35 years of age were randomly chosen and asked about their exercise habits. Based on the study results, the researchers estimated the […]