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Producing data involves choosing a sample and collecting data from it.

Sample Surveys

Published: Dec 29th, 2012

Concepts of Sample Surveys Let’s summarize CO-3: Describe the strengths and limitations of designed experiments and observational studies. LO 3.2: Explain how the study design impacts the types of conclusions […]

More About Experiments

More About Experiments

Published: Dec 29th, 2012

Experiments With More Than One Explanatory Variable Modifications to Randomization CO-3: Describe the strengths and limitations of designed experiments and observational studies. LO 3.2: Explain how the study design impacts […]

Causation and Observational Studies

Causation and Observational Studies

Published: Dec 29th, 2012

CO-3: Describe the strengths and limitations of designed experiments and observational studies. LO 3.2: Explain how the study design impacts the types of conclusions that can be drawn. Video: Causation and […]

Learn By Doing – Sampling (Software)

Published: Dec 28th, 2012

Use the solutions provided to answer the questions below. Optional: Create your own solutions using your software for extra practice. Objective: The purpose of this activity is to show you […]

Did I Get This – Sampling

Published: Dec 28th, 2012

    An insurance industry research foundation wants to study the quality of care given to all patients at risk for heart disease in the United States. Since not all […]

Little Handbook – Creating Data Files

Published: Jul 31st, 2012

From the online version of Little Handbook of Statistical Practice, this reading contains a discussion about where data come from and some problems to avoid when creating datasets.

Unit 1: Exploratory Data Analysis

Unit 1: Exploratory Data Analysis

Published: Jul 30th, 2012

The Big Picture Exploratory Data Analysis Important Features of Exploratory Data Analysis Examining Distributions CO-1: Describe the roles biostatistics serves in the discipline of public health. CO-6: Apply basic concepts of […]

The Big Picture

The Big Picture

Published: Jul 30th, 2012

CO-1: Describe the roles biostatistics serves in the discipline of public health. Throughout the course, we will add to our understanding of the definitions, concepts, and processes which are introduced here. […]

Designing Studies

Designing Studies

Published: Jul 28th, 2012

Introduction Identifying Study Design Experiments vs. Observational Studies CO-3: Describe the strengths and limitations of designed experiments and observational studies. Video: Designing Studies (1:34) Now that we have learned about the first […]

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) […]