Topic: Geography

Methods: Correlation, Regression, Transformation, Outlier, ANCOVA,
Topics: Nature, Geography,
Datafile Name: Acorns

Fifty species of oak trees grow in the United States. Twenty eight species of oak from the Atlantic region and 11 from the California region were studied. The size of each species' acorns was measured to see whether acorn size is related to geographic range. It is suggested that a plant's...

Methods: Boxplot, Dotplot, Distribution, Summary Statistics,
Topics: Geography, Government,
Datafile Name: New Jersey

This datafile, containing the area in square miles of each county in New Jersey, may be used to illustrate basic descriptive statistics. The file contains only 21 observations, so students may even calculate means, medians, etc. by hand if desired. A boxplot or dotplot is a good graphical summary...

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