Published: Jul 20th, 2013
Percentiles Five-Number Summary Standardized Scores (Z-Scores) Measures of Position CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these distinctions, and interpret the results. […]
Published: Jun 28th, 2013
Features of Distributions of Quantitative Variables Shape (Symmetry/Skewness, Modality) Center Spread Outliers Let’s Summarize CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these distinctions, […]
Published: Jun 13th, 2013
Classifying Types of Variables Software Activity Why Does the Type of Variable Matter? CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these distinctions, […]
Published: Mar 19th, 2013
This page is basically complete except that the PDF activies only have the non-interactive versions for now. Learn By Doing: Supplemental Examples and Exercises for Unit 4B (Non-interactive Version) As […]
Published: Mar 19th, 2013
This page is basically complete except that the PDF activies only have the non-interactive versions for now. Learn By Doing: Supplemental Examples and Exercises for Unit 4B (Non-interactive Version) As […]
Published: Mar 19th, 2013
As we mentioned at the end of the Introduction to Unit 4B, we will focus only on two-sided tests for the remainder of this course. One-sided tests are often possible […]
Published: Mar 18th, 2013
Step 4. Drawing Conclusions Based on the P-Value Many Students Wonder: Hypothesis Testing for the Population Proportion Let’s Summarize!! What’s next? CO-4: Distinguish among different measurement scales, choose the appropriate descriptive […]
Published: Mar 18th, 2013
Step 3. Finding the P-value of the Test Alternative Hypothesis is “Less Than” Alternative Hypothesis is “Greater Than” Alternative Hypothesis is “Not Equal To” The Four Steps in Hypothesis Testing […]
Published: Mar 17th, 2013
Step 2. Collect Data, Check Conditions, and Summarizing the Data The Four Steps in Hypothesis Testing CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based […]
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 […]