Introduction to Statistics: Help and Review

Course Summary

Let us help you get caught up in statistics class with the video lessons and quizzes in our Introduction to Statistics: Help and Review course. Use these study materials to make up lessons you missed in class, study for a test or just get extra review so you can get a better grade in your statistics class.
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9 chapters in Introduction to Statistics: Help and Review

Course Practice Test

Check your knowledge of this course with a 50-question practice test.
  • Comprehensive test covering all topics
  • Detailed video explanations for wrong answers
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Ch 1. Overview of Statistics: Help and Review {{cp.topicAssetIdToProgress[23597].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Descriptive & Inferential Statistics: Definition, Differences & Examples  Take Quiz
 Take Quiz
Lesson 2 - Difference between Populations & Samples in Statistics  Take Quiz
Lesson 3 - Defining the Difference between Parameters & Statistics  Take Quiz
Lesson 4 - Estimating a Parameter from Sample Data: Process & Examples  Take Quiz
Lesson 5 - What is Quantitative Data? - Definition & Examples  Take Quiz
Lesson 6 - What is Categorical Data? - Definition & Examples  Take Quiz
Lesson 7 - Discrete & Continuous Data: Definition & Examples  Take Quiz
Lesson 8 - Nominal, Ordinal, Interval & Ratio Measurements: Definition & Examples  Take Quiz
Lesson 9 - The Purpose of Statistical Models  Take Quiz
Lesson 10 - Experiments vs Observational Studies: Definition, Differences & Examples  Take Quiz
Lesson 11 - Random Selection & Random Allocation: Differences, Benefits & Examples  Take Quiz
Lesson 12 - Convenience Sampling in Statistics: Definition & Limitations  Take Quiz
Lesson 13 - How Randomized Experiments Are Designed  Take Quiz
Lesson 14 - Analyzing & Interpreting the Results of Randomized Experiments  Take Quiz
Lesson 15 - Confounding & Bias in Statistics: Definition & Examples  Take Quiz
Lesson 16 - Bias in Polls & Surveys: Definition, Common Sources & Examples  Take Quiz
Lesson 17 - Misleading Uses of Statistics  Take Quiz
Lesson 18 - Causation in Statistics: Definition & Examples  Take Quiz
Lesson 19 - Deductive Argument: Definition & Examples  Take Quiz
Lesson 20 - Dot Plot in Statistics: Definition, Method & Examples  Take Quiz
Lesson 21 - Observational Study in Statistics: Definition & Examples  Take Quiz
Lesson 22 - Skewness in Statistics: Definition, Formula & Example  Take Quiz
Lesson 23 - Uniform Distribution in Statistics: Definition & Examples  Take Quiz
Lesson 24 - Confidence Interval: Definition, Formula & Example  Take Quiz
Lesson 25 - Chi Square Distribution: Definition & Examples  Take Quiz
Lesson 26 - Chi Square Practice Problems  Take Quiz
Lesson 27 - Chi Square: Definition & Analysis  Take Quiz
Lesson 28 - How to Calculate a Chi Square: Formula & Example  Take Quiz
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Course Progress Best Score
Lesson 1 - What is the Center in a Data Set? - Definition & Options  Take Quiz
Lesson 2 - Mean, Median & Mode: Measures of Central Tendency  Take Quiz
Lesson 3 - How to Calculate Mean, Median, Mode & Range  Take Quiz
Lesson 4 - Calculating the Mean, Median, Mode & Range: Practice Problems  Take Quiz
Lesson 5 - Visual Representations of a Data Set: Shape, Symmetry & Skewness  Take Quiz
Lesson 6 - Unimodal & Bimodal Distributions: Definition & Examples  Take Quiz
Lesson 7 - The Mean vs the Median: Differences & Uses  Take Quiz
Lesson 8 - Spread in Data Sets: Definition & Example  Take Quiz
Lesson 9 - Maximums, Minimums & Outliers in a Data Set  Take Quiz
Lesson 10 - Quartiles & the Interquartile Range: Definition, Formulate & Examples  Take Quiz
Lesson 11 - Finding Percentiles in a Data Set: Formula & Examples  Take Quiz
Lesson 12 - Calculating the Standard Deviation  Take Quiz
Lesson 13 - The Effect of Linear Transformations on Measures of Center & Spread  Take Quiz
Lesson 14 - Population & Sample Variance: Definition, Formula & Examples  Take Quiz
Lesson 15 - Ordering & Ranking Data: Process & Example  Take Quiz
Lesson 16 - Sample Space in Statistics: Definition & Examples  Take Quiz
Lesson 17 - X-Bar in Statistics: Theory & Formula  Take Quiz
Lesson 18 - Finding the 40th Percentile  Take Quiz
Lesson 19 - Median Absolute Deviation: Formula & Examples  Take Quiz
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Practice Tests in this course
Check your knowledge of this course with a 50-question practice test. Once you take the test, you will receive a detailed exam report complete with your personal statistics and even specific lessons to focus on! Take the practice test now
Your detailed study guide will include:
  • Answers and detailed explanations to each question
  • Video lessons to explain complicated concepts
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