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: Aug 21st, 2012
The Standard Deviation Rule Visual Methods of Assessing Normality Standardized Scores (Z-Scores) CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these distinctions, and […]
Published: Aug 21st, 2012
The Five Number Summary The Boxplot Side-By-Side (Comparative) Boxplots Let’s Summarize CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these distinctions, and interpret […]
Published: Aug 21st, 2012
Using the IQR to Detect Outliers The 1.5(IQR) Criterion for Outliers The 3(IQR) Criterion for Outliers Understanding Outliers CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical […]
Published: Aug 21st, 2012
Introduction Range Inter-Quartile Range (IQR) Standard Deviation Properties of the Standard Deviation Choosing Numerical Measures Let’s Summarize CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods […]
Published: Aug 21st, 2012
Introduction Mean Median Comparing the Mean and the Median Let’s Summarize CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these distinctions, and interpret […]
Published: Aug 19th, 2012
Histograms Stemplot (Stem and Leaf Plot) Let’s Summarize CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these distinctions, and interpret the results. LO […]
Published: Aug 19th, 2012
Distribution of One Quantitative Variable Graphs Numerical Measures CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these distinctions, and interpret the results. Video: One […]