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Become a Probability & Statistics Master


Getting started :
Welcome to Probability & Statistics!
Quick overview before we get underway
Download the formula sheet

Visualizing data :
Introduction to visualizing data
RESOURCE: Quiz solutions for this section
One-way data
One-way data
One-way data
3 questions
Bar graphs and pie charts
Bar graphs and pie charts
Bar graphs and pie charts
3 questions
Line graphs and ogives
Line graphs and ogives
Line graphs and ogives
3 questions
Two-way data
Two-way data
Two-way data
3 questions
Venn diagrams
Venn diagrams
Venn diagrams
3 questions
Relative frequency tables
Relative frequency tables
Relative frequency tables
3 questions
Joint distributions
Joint distributions
Joint distributions
3 questions
Frequency tables and dot plots
Frequency tables and dot plots
Frequency tables and dot plots
3 questions
Histograms and stem-and-leaf plots
Histograms and stem-and-leaf plots
Histograms and stem-and-leaf plots
3 questions
BONUS! Extra practice problems. :)

Analyzing data :
Introduction to analyzing data
RESOURCE: Quiz solutions for this section
Central tendency: mean, median and mode
Central tendency: mean, median and mode
Central tendency: mean, median and mode
3 questions
Spread: range and IQR
Spread: range and IQR
Spread: range and IQR
3 questions
Changing the data, and outliers
Changing the data, and outliers
Changing the data, and outliers
3 questions
Box-and-whisker plots
Box-and-whisker plots
Box-and-whisker plots
3 questions
BONUS! Extra practice problems. :)

Data distributions :
Introduction to data distributions
RESOURCE: Quiz solutions for this section
Mean, variance, and standard deviation
Mean, variance, and standard deviation
Mean, variance, and standard deviation
3 questions
Frequency histograms and polygons, and density curves
Frequency histograms and polygons, and density curves
Frequency histograms and polygons, and density curves
3 questions
Symmetric and skewed distributions and outliers
Symmetric and skewed distributions and outliers
Symmetric and skewed distributions and outliers
3 questions
Normal distributions and z-scores
Normal distributions and z-scores
Normal distributions and z-scores
3 questions
BONUS! Extra practice problems. :)

Probability :
Introduction to probability
RESOURCE: Quiz solutions for this section
Simple probability
Simple probability
Simple probability
3 questions
The addition rule, and union vs. intersection
The addition rule, and union vs. intersection
The addition rule, and union vs. intersection
3 questions
Independent and dependent events and conditional probability
Independent and dependent events and conditional probability
Independent and dependent events and conditional probability
3 questions
Bayes' theorem
Bayes' theorem
Bayes' theorem
3 questions
BONUS! Extra practice problems. :)

Discrete random variables :
Introduction to discrete random variables
RESOURCE: Quiz solutions for this section
Discrete probability
Discrete probability
Discrete probability
3 questions
Transforming random variables
Transforming random variables
Transforming random variables
3 questions
Combinations of random variables
Combinations of random variables
Combinations of random variables
3 questions
Permutations and combinations
Permutations and combinations
Permutations and combinations
3 questions
Binomial random variables
Binomial random variables
Binomial random variables
3 questions
"At least" and "at most," and mean, variance, and standard deviation
"At least" and "at most," and mean, variance, and standard deviation
"At least" and "at most," and mean, variance, and standard deviation
3 questions
Bernoulli random variables
Bernoulli random variables
Bernoulli random variables
3 questions
Geometric random variables
Geometric random variables
Geometric random variables
3 questions
BONUS! Extra practice problems. :)

Sampling :
Introduction to sampling
RESOURCE: Quiz solutions for this section
Types of studies
Types of studies
Types of studies
3 questions
Sampling and bias
Sampling and bias
Sampling and bias
3 questions
Sampling distribution of the sample proportion
Sampling distribution of the sample proportion
Sampling distribution of the sample proportion
3 questions
Sampling distribution of the sample mean
Sampling distribution of the sample mean
Sampling distribution of the sample mean
3 questions
BONUS! Extra practice problems. :)

Hypothesis testing :
Introduction to hypothesis testing
RESOURCE: Quiz solutions for this section
Null and alternative hypotheses
Null and alternative hypotheses
3 questions
Test statistics
Test statistics
3 questions
p-Values
p-Values
3 questions
Confidence interval for a population mean
Confidence interval for a population mean
3 questions
BONUS! Extra practice problems. :)

Conclusion :
Probability & Statistics final exam
Wrap-up