Skip to main content
Back

Chapter 2 - Organizing and Visualizing Variables in Business Statistics

Study Guide - Learn with Videos

Curated lessons matched to your uploaded material – learn every topic step by step.

Intro to Stats

Intro to Collecting Data

Sampling Methods

Visualizing Qualitative vs. Quantitative Data

Frequency Distributions

Histograms

Bar Graphs and Pareto Charts

Pie Charts

Frequency Polygons

Dot Plots

Stemplots (Stem-and-Leaf Plots)

Time-Series Graph

Mean

Median

Mode

Standard Deviation

Percentiles & Quartiles

5-Number Summary Using a TI-84

Boxplots

Descriptive Statistics-Excel

Boxplots-Excel

Introduction to Confidence Intervals

Confidence Intervals for Population Mean

Steps in Hypothesis Testing

Performing Hypothesis Tests: Means

Performing Hypothesis Tests: Proportions

Two Proportions

Two Means - Unknown, Unequal Variance

Two Means - Unknown, Equal Variance

Two Means - Known Variance

Introduction to ANOVA

Goodness of Fit Test

Contingency Tables

Independence Tests

Homogeneity Tests

Scatterplots & Intro to Correlation

Correlation Coefficient

Linear Regression & Least Squares Method

Residuals

Coefficient of Determination

Inferences for Slope

Prediction Intervals