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Statistics essentials

Learn high school statistics—scatterplots, two-way tables, normal distributions, binomial probability, and more.

7 units99 videos9 hours

Learn it live with a class on Puzzicle · Teachers: use it with your class

Unit 1: Displaying a single quantitative variable

Frequency tables and dot plots

Frequency tables & dot plots ✓ Check-ins7:19

Histograms

Mean and median in data displays

Interquartile range

Interquartile range (IQR) ✓ Check-ins6:12

Box and whisker plots

Unit 2: Analyzing a single quantitative variable

Standard deviation

Comparing distributions

Example: Comparing distributions ✓ Check-ins7:18

Percentiles and z-scores

Normal distributions and the empirical rule

Normal distribution calculations

Unit 3: Two-way tables

Two-way tables introduction

Distributions in two-way tables

Unit 4: Scatterplots

Fitting trend lines to scatterplots

Analyzing trend lines in scatterplots

Residuals

Unit 5: Study design

Introduction to planning a study

Potential problems with sampling

Sampling methods

Introduction to experimental design

Inference and experiments

Unit 6: Probability

Venn diagrams and the addition rule

Multiplication rule for probabilities

Conditional probability

Probability from simulations

Permutations

Combinations

Probability using combinatorics

Unit 7: Probability distributions & expected value

Probability distributions introduction

Theoretical & empirical probability distributions

Decisions with probability

Using probabilities to make fair decisions example ✓ Check-ins3:34

Expected value

Learn this with a class

With a class on Puzzicle this course runs as a timetable of live study parties: your batch watches together and answers the check-ins, sometimes with a teacher leading.

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Course content © Khan Academy, used under CC BY-NC-SA. See this course on Khan Academy.