Test Bank For Preliminary Edition of Statistics Learning from Data 1st Edition by Roxy Peck
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A segmented bar chart uses rectangles rather than circles to display different categories in a set of data.

A numerical variable is continuous if it’s possible values correspond to isolated points on the number line.

A time series plot is a graph of data that has been gathered at different points in time.

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An outlier is a data value that is unusually far from the rest of the values in a data set.

When using histograms to compare groups of different sizes, one may use either frequencies or relative frequencies for the vertical axis and still be effective.

Chapter 2, Concept Quiz1. F
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stem: onesleaf: tenths
3. Knowledge of where animals forage for food is essential for effective wildlife management and conservation. The data below are foraging heights (in m) for a sample of Mountain Chickadees. The data are taken from two different species of fir trees: the Douglas fir and the White fir.Douglas: 22, 15, 16, 16, 16, 17, 17, 17, 18, 19, 19, 10, 10, 13, 13, 14 6,7, 7,8,8,9,3White: 28, 25, 21, 21, 18, 18, 16, 14, 14, 15, 15, 15, 15, 12, 12, 13 13,11,11, 8, 8, 7, 5, 3(a) Display these data using a comparative (backtoback) stemandleaf plot. Use the stems shown below, and be sure to include all information needed to compare the two distributions.
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