Content Tagged Sample Size Subscribe to RSS Feed

Learn by Doing – Sample Size

Published: Feb 16th, 2013

A study was done on pregnant women who smoke during their pregnancies. In particular, the researchers wanted to study the effect that smoking has on the pregnancy length. A sample […]

Population Means (Part 2)

Population Means (Part 2)

Published: Feb 16th, 2013

Other Levels of Confidence Understanding the General Structure of Confidence Intervals CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these distinctions, and interpret […]

Did I Get This – Confidence Intervals: Means #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 […]

Learn by Doing – Visualizing Relationship between Confidence and Width

Published: Feb 16th, 2013

The purpose of this activity is to use computer simulation to visually explore and reinforce the relationship between confidence and width, for confidence intervals. We will use an applet to […]

Did I Get This – Properties of Point Estimators

Published: Feb 16th, 2013

    This document is linked from Estimation.

Estimation

Estimation

Published: Jul 28th, 2012

Introduction Point Estimation Desired Properties of Point Estimators Importance of Sampling and Design Standard Error and Sample Size Another Point Estimator (sample standard deviation) Summary of Point Estimation Introduction to […]

Sampling

Sampling

Published: Jul 28th, 2012

Sampling Plans Cluster or Stratified — which one is better? Overview So Far Sample Size Let’s Summarize CO-2: Differentiate among different sampling methods and discuss their strengths and limitations. Video: Sampling (12:38) […]