Data distributions

Progress
Displays of distributions
Summarizing center of distributions (central tendency)
Summarizing spread of distributions
Quiz
9 questions from the previous 3 lessons
Next
Box and whisker plots
Comparing distributions
Unit test
14 questions
1Take a quiz to identify your areas for growth.
2Review the recommended lessons.
3Test yourself again to show your growth.
Lessons
Displays of distributionsSummarizing center of distributions (central tendency)Summarizing spread of distributionsQuizBox and whisker plotsComparing distributionsUnit test
Displays of distributions
Learn
Frequency tables & dot plots
Creating a histogram
Interpreting a histogram
Shapes of distributions
Practice
Creating dot plots
4 questions
Practice
Reading dot plots & frequency tables
7 questions
Practice
Create histograms
7 questions
Practice
Read histograms
7 questions
Practice
Shape of distributions
7 questions
Practice
Summarizing center of distributions (central tendency)
Learn
Statistics intro: Mean, median, & mode
Mean, median, & mode example
Missing value when the mean is given
Impact on median & mean: removing an outlier
Impact on median & mean: increasing an outlier
Choosing the "best" measure of center
Practice
Mean, median, and mode
7 questions
Practice
Missing value given the mean
4 questions
Practice
Effects of shifting, adding, & removing a data point
4 questions
Practice
Summarizing spread of distributions
Learn
Interquartile range (IQR)
Measures of spread: range, variance & standard deviation
Comparing range and interquartile range (IQR)
The idea of spread and standard deviation
Calculating standard deviation step by step
Practice
Interquartile range (IQR)
4 questions
Practice
Standard deviation of a population
4 questions
Practice
Quiz
These 9 questions cover concepts in:
Displays of distributions
Summarizing center of distributions (central tendency)
Summarizing spread of distributions
Box and whisker plots
Learn
Constructing a box plot
Reading box plots
Interpreting box plots
Practice
Creating box plots
7 questions
Practice
Reading box plots
7 questions
Practice
Interpreting quartiles
7 questions
Practice
Comparing distributions
Learn
Comparing distributions with dot plots (example problem)
Practice
Comparing distributions
7 questions
Practice
Unit test
Test your understanding of Data distributions with these 14 questions.

It takes about 17 to 22 minutes to finish this test.