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Course: Statistics and probability?>?Unit 2
Lesson 2: Describing and comparing distributions- Shapes of distributions
- Shape of distributions
- Clusters, gaps, peaks & outliers
- Clusters, gaps, & peaks in data distributions
- Comparing distributions with dot plots (example problem)
- Comparing distributions
- Comparing dot plots, histograms, and box plots
- Comparing data displays
- Example: Comparing distributions
- Comparing data distributions
- Comparing center and spread
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Comparing center and spread
Problem
The Baltimore Ravens won the American football championship in . In the same season, the Kansas City Chiefs had a record of wins and losses.
The dot plots below show the -yard dash times (in seconds) of the defensive backs on each team's roster. Defensive backs mainly defend against passes, and the -yard dash is the main measure of speed used in American football.
The center of the Ravens distribution is
the center of the Chiefs distribution.The variability in the Ravens distribution is
the variability in the Chiefs distribution.