Business 212

Ch 1. Introduction to Business Statistics
	Lesson 1 – Application of Statistics in Business	Take Quiz
	Lesson 2 – Qualitative & Quantitative Variables in Statistics	Take Quiz
	Lesson 3 – Descriptive & Inferential Statistics: Definition, Differences & Examples	Take Quiz
	Lesson 4 – The Purpose of Statistical Models	Take Quiz
	Lesson 5 – What is Bivariate Data? – Definition & Examples	Take Quiz
	Lesson 6 – Nominal, Ordinal, Interval & Ratio Measurements: Definition & Examples	Take Quiz
	Lesson 7 – Random Variables: Definition, Types & Examples	Take Quiz
	Lesson 8 – Bias in Statistics: Definition & Examples	Take Quiz
	Lesson 9 – Misleading Uses of Statistics	Take Quiz
	Lesson 10 – Computer Software in Statistical Analysis: Role & Examples	Take Quiz
	Lesson 11 – How to Use Formulas & Functions in Excel	Take Quiz

Go to chapter Introduction to Business Statistics

Practice test: Introduction to Business Statistics

Ch 2. Introduction to Categorical Data
	Lesson 1 – What is Categorical Data? – Definition & Examples	Take Quiz
	Lesson 2 – Summarizing Categorical Data using Tables	Take Quiz
	Lesson 3 – Interpreting Graphical Representations	Take Quiz
	Lesson 4 – What is a Line Graph? – Definition & Examples	Take Quiz
	Lesson 5 – Bar Graph: Definition, Types & Examples	Take Quiz
	Lesson 6 – Excel Charts & Graphs: Summarizing Data Visually	Take Quiz
	Lesson 7 – Graphs & Charts in Business: Importance, Use & Examples	Take Quiz

Go to chapter Introduction to Categorical Data

Practice test: Introduction to Categorical Data

Ch 3. Descriptive Statistics: Measurement
	Lesson 1 – Measures of Central Tendency: Definitions & Practice	Take Quiz
	Lesson 2 – Arithmetic Mean: Definition, Formula & Examples	Take Quiz
	Lesson 3 – Geometric Mean: Definition and Formula	Take Quiz
	Lesson 4 – Mean, Median, Mode & Range	Take Quiz
	Lesson 5 – Quartiles & the Interquartile Range: Definition, Formulate & Examples	Take Quiz
	Lesson 6 – Deciles in a Data Set: Definition, Formula & Examples	Take Quiz
	Lesson 7 – Finding Percentiles in a Data Set: Formula & Examples	Take Quiz
	Lesson 8 – Using the IF Function in Excel	Take Quiz

Go to chapter Descriptive Statistics: Measurement

Practice test: Descriptive Statistics: Measurement

Ch 4. Descriptive Statistics: Representation
	Lesson 1 – What is Data Distribution? – Definition & Types	Take Quiz
	Lesson 2 – Visual Representations of a Data Set: Shape, Symmetry & Skewness	Take Quiz
	Lesson 3 – Skewness in Statistics: Definition, Formula & Example	Take Quiz
	Lesson 4 – Creating & Interpreting Dot Plots: Process & Examples	Take Quiz
	Lesson 5 – Creating & Interpreting Box Plots: Process & Examples	Take Quiz
	Lesson 6 – Creating & Interpreting Scatterplots: Process & Examples	Take Quiz
	Lesson 7 – Creating & Interpreting Histograms: Process & Examples	Take Quiz
	Lesson 8 – Creating Histograms, Box, Scatter & Dot Plots in Excel	Take Quiz

Go to chapter Descriptive Statistics: Representation

Practice test: Descriptive Statistics: Representation

Ch 5. Measures of Dispersion in Business
	Lesson 1 – Measures of Variability: Range, Variance & Standard Deviation	Take Quiz
	Lesson 2 – Calculating Variance for Business: Approaches & Examples	Take Quiz
	Lesson 3 – Calculating the Standard Deviation	Take Quiz
	Lesson 4 – Continuous & Normal Distributions in Business: Uses & Examples	Take Quiz
	Lesson 5 – Normal Distribution & Shifts in the Mean	Take Quiz
	Lesson 6 – Chebyshev’s Inequality: Definition, Formula & Examples	Take Quiz
	Lesson 7 – Finding Z-Scores: Definition & Examples	Take Quiz
	Lesson 8 – Estimating Areas Under the Normal Curve Using Z-Scores	Take Quiz
	Lesson 9 – Estimating Population Percentages from Normal Distributions: The Empirical Rule & Examples	Take Quiz
	Lesson 10 – Using Excel to Calculate Measures of Dispersion for Business	Take Quiz

Go to chapter Measures of Dispersion in Business

Practice test: Measures of Dispersion in Business

Ch 6. Measures of Association & Correlation in Business
	Lesson 1 – Correlation vs. Causation: Differences & Definition	Take Quiz
	Lesson 2 – The Relationship Between Variables: Correlation Coefficient & Scatterplots	Take Quiz
	Lesson 3 – The Correlation Coefficient: Definition, Formula & Example	Take Quiz
	Lesson 4 – Using the Raw Score Method to Compute the Correlation Coefficient	Take Quiz
	Lesson 5 – Coefficient of Determination: Definition, Formula & Example	Take Quiz
	Lesson 6 – Pearson Correlation Coefficient: Formula, Example & Significance	Take Quiz
	Lesson 7 – Measures of Correlation in Business & Finance: Uses & Examples	Take Quiz
	Lesson 8 – How to Calculate the Correlation Coefficient in Excel	Take Quiz

Go to chapter Measures of Association & Correlation in Business

Practice test: Measures of Association & Correlation in Business

Ch 7. Probability for Business Statistics
	Lesson 1 – Subjective Probability: Definition & Examples	Take Quiz
	Lesson 2 – Relative Frequency & Classical Approaches to Probability	Take Quiz
	Lesson 3 – Calculating Possible Outcomes: Definition & Formula	Take Quiz
	Lesson 4 – Statistics, Data Analysis & Probability in Real Life	Take Quiz
	Lesson 5 – The Addition Rule of Probability: Definition & Examples	Take Quiz
	Lesson 6 – The Multiplication Rule of Probability: Definition & Examples	Take Quiz
	Lesson 7 – Contingency Table: Statistics, Probability & Examples	Take Quiz
	Lesson 8 – Venn Diagrams: Subset, Disjoint, Overlap, Intersection & Union	Take Quiz
	Lesson 9 – Bayes’ Theorem: Definition, Formula & Usage	Take Quiz

Go to chapter Probability for Business Statistics

Practice test: Probability for Business Statistics

Ch 8. Probability Distributions for Business Statistics
	Lesson 1 – Uniform Distribution in Statistics: Definition & Examples	Take Quiz
	Lesson 2 – Developing Continuous Probability Distributions Theoretically & Finding Expected Values	Take Quiz
	Lesson 3 – Developing Discrete Probability Distributions Theoretically & Finding Expected Values	Take Quiz
	Lesson 4 – Mean & Standard Deviation of a Binomial Random Variable: Formula & Example	Take Quiz
	Lesson 5 – Poisson Distribution: Definition, Formula & Examples	Take Quiz
	Lesson 6 – Using Probability Distributions to Solve Business Problems	Take Quiz

Go to chapter Probability Distributions for Business Statistics

Practice test: Probability Distributions for Business Statistics

Ch 9. Sampling Methods for Statistics
	Lesson 1 – Difference between Populations & Samples in Statistics	Take Quiz
	Lesson 2 – Issues in Probability & Non-Probability Sampling	Take Quiz
	Lesson 3 – What is Random Sampling? – Definition, Conditions & Measures	Take Quiz
	Lesson 4 – Simple Random Samples: Definition & Examples	Take Quiz
	Lesson 5 – Stratified Random Samples: Definition, Characteristics & Examples	Take Quiz
	Lesson 6 – Cluster Random Samples: Definition, Selection & Examples	Take Quiz
	Lesson 7 – Systematic Random Samples: Definition, Formula & Advantages	Take Quiz
	Lesson 8 – Sampling Distributions & the Central Limit Theorem: Definition, Formula & Examples	Take Quiz
	Lesson 9 – Finding Probabilities About Means Using the Central Limit Theorem	Take Quiz
	Lesson 10 – Using the Central Limit Theorem in Business	Take Quiz

Go to chapter Sampling Methods for Statistics

Practice test: Sampling Methods for Statistics

Ch 10. Confidence Intervals
	Lesson 1 – Point & Interval Estimations: Definition & Differences	Take Quiz
	Lesson 2 – Determining the Sample Size to Estimate Confidence Intervals: Definition & Process	Take Quiz
	Lesson 3 – Finding Confidence Intervals with the Normal Distribution	Take Quiz
	Lesson 4 – Using the t Distribution to Find Confidence Intervals	Take Quiz
	Lesson 5 – Degrees of Freedom: Definition, Formula & Example	Take Quiz
	Lesson 6 – Sample Proportion in Statistics: Definition & Formula	Take Quiz
	Lesson 7 – Finding Confidence Intervals for Proportions: Formula & Example	Take Quiz
	Lesson 8 – Calculating Confidence Intervals, Levels & Coefficients	Take Quiz
	Lesson 9 – Sampling Process in Business: Components & Examples	Take Quiz
	Lesson 10 – Considerations for Small Samples in Inferential Statistics	Take Quiz
	Lesson 11 – Applying Confidence Intervals in Business to Quantify Reliability	Take Quiz

Go to chapter Confidence Intervals

Practice test: Confidence Intervals

Ch 11. Hypothesis Testing in Business
	Lesson 1 – What is Hypothesis Testing? – Definition, Steps & Examples	Take Quiz
	Lesson 2 – Hypothesis Testing Large Independent Samples	Take Quiz
	Lesson 3 – Conducting Hypothesis Testing for a Mean: Process & Examples	Take Quiz
	Lesson 4 – Type I & Type II Errors in Hypothesis Testing: Differences & Examples	Take Quiz
	Lesson 5 – One-Tailed Vs. Two-Tailed Tests: Differences & Examples	Take Quiz
	Lesson 6 – Z Test & T Test: Similarities & Differences	Take Quiz
	Lesson 7 – What Are t-Tests? – Assessing Statistical Differences Between Groups	Take Quiz
	Lesson 8 – Hypothesis Testing for a Proportion	Take Quiz
	Lesson 9 – Hypothesis Testing for a Difference Between Two Proportions	Take Quiz
	Lesson 10 – Hypothesis Testing Matched Pairs	Take Quiz
	Lesson 11 – Business Applications of Hypothesis Testing	Take Quiz

Go to chapter Hypothesis Testing in Business

Practice test: Hypothesis Testing in Business

Ch 12. Analysis of Variance
	Lesson 1 – Basic Experimental Design in Business: Types & Procedures	Take Quiz
	Lesson 2 – Analysis Of Variance (ANOVA): Examples, Definition & Application	Take Quiz
	Lesson 3 – Main Effect and Interaction Effect in Analysis of Variance	Take Quiz
	Lesson 4 – Sum of Squares: Definition & Application	Take Quiz
	Lesson 5 – Two-Way ANOVA: Definition & Application	Take Quiz
	Lesson 6 – Using ANOVA to Analyze Within-Group Variance	Take Quiz
	Lesson 7 – Using ANOVA to Analyze Variances Between Multiple Groups	Take Quiz

Go to chapter Analysis of Variance

Practice test: Analysis of Variance

Ch 13. Nonparametric Methods in Statistics
	Lesson 1 – Non-Parametric Inferential Statistics: Definition & Examples	Take Quiz
	Lesson 2 – What is a Chi-Square Test? – Definition & Example	Take Quiz
	Lesson 3 – What is a Two-Way Table?	Take Quiz
	Lesson 4 – Statistical Analysis: Using Data to Find Trends and Examine Relationships	Take Quiz

Go to chapter Nonparametric Methods in Statistics

Practice test: Nonparametric Methods in Statistics

Ch 14. Regression Analysis
	Lesson 1 – Regression Analysis: Definition & Examples	Take Quiz
	Lesson 2 – Simple Linear Regression: Definition, Formula & Examples	Take Quiz
	Lesson 3 – Problem Solving Using Linear Regression: Steps & Examples	Take Quiz
	Lesson 4 – Analyzing Residuals: Process & Examples	Take Quiz
	Lesson 5 – Using Regression Analysis in Business	Take Quiz
	Lesson 6 – Multiple Regression Analysis in Business: Uses & Examples	Take Quiz
	Lesson 7 – How to Create a Multiple Regression Analysis	Take Quiz
	Lesson 8 – Categorical Variables in Regression Analysis	Take Quiz

Go to chapter Regression Analysis

Practice test: Regression Analysis

Ch 15. Understanding Business Forecasting
	Lesson 1 – What is Forecasting in Business? – Definition & Models	Take Quiz
	Lesson 2 – Time Series Analysis & Its Applications	Take Quiz
	Lesson 3 – Indexes in Business: Definition, Use & Examples	Take Quiz
	Lesson 4 – Predicting Business Outcomes Using Payoff Tables & Decision Trees	Take Quiz

Go to chapter Understanding Business Forecasting

Practice test: Understanding Business Forecasting

Ch 16. Using Control Charts in Business
	Lesson 1 – Statistical Process Control: Definition & Examples	Take Quiz
	Lesson 2 – Using Rational Sub-Grouping to Control Process	Take Quiz
	Lesson 3 – What Are Control Charts for Attributes?	Take Quiz
	Lesson 4 – What Are Control Charts for Variables?	Take Quiz
	Lesson 5 – Identifying Patterns on Control Charts	Take Quiz

Go to chapter Using Control Charts in Business

Practice test: Using Control Charts in Business