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## Statistics help

##### Start learning Statistics by topic or lesson

- Descriptive & Inferential Statistics
- Difference between Populations & Samples in Statistics
- Defining the Difference between Parameters & Statistics
- Estimating a Parameter from Sample Data
- What is Quantitative Data?
- What is Categorical Data?
- Discrete & Continuous Data
- Practice test: Overview of Statistics

- Frequency & Relative Frequency Tables
- Cumulative Frequency Tables
- How to Calculate Percent Increase with Relative & Cumulative Frequency Tables
- Creating & Reading Stem & Leaf Displays
- Creating & Interpreting Histograms
- Creating & Interpreting Frequency Polygons
- Creating & Interpreting Dot Plots
- Practice test: Tables and Plots

- Mathematical Sets
- Events as Subsets of a Sample Space
- Probability of Simple, Compound and Complementary Events
- Probability of Independent and Dependent Events
- Probability of Independent Events
- How to Calculate Simple Conditional Probabilities
- The Relationship Between Conditional Probabilities & Independence
- Practice test: Probability

- Random Variables
- Finding & Interpreting the Expected Value of a Discrete Random Variable
- Developing Discrete Probability Distributions Theoretically & Finding Expected Values
- Developing Discrete Probability Distributions Empirically & Finding Expected Values
- Dice
- Blackjack
- Poker
- Practice test: Discrete Probability Distributions

- Graphing Probability Distributions Associated with Random Variables
- Finding & Interpreting the Expected Value of a Continuous Random Variable
- Developing Continuous Probability Distributions Theoretically & Finding Expected Values
- Probabilities as Areas of Geometric Regions
- Normal Distribution
- Finding Z-Scores
- Estimating Areas Under the Normal Curve Using Z-Scores
- Practice test: Continuous Probability Distributions

- Point & Interval Estimations
- Calculating Confidence Intervals, Levels & Coefficients
- Finding Confidence Intervals with the Normal Distribution
- Determining the Sample Size to Estimate Confidence Intervals
- Student t Distribution
- Using the t Distribution to Find Confidence Intervals
- Biased & Unbiased Estimators
- Practice test: Statistical Estimation

- What is Hypothesis Testing?
- Conducting Hypothesis Testing for a Mean
- Effect Size in Hypothesis Testing
- Type I & Type II Errors in Hypothesis Testing
- The Relationship Between Confidence Intervals & Hypothesis Tests
- Hypothesis Testing Large Independent Samples
- What Are t-Tests?
- Practice test: Hypothesis Testing

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