When White Pine Seeds Are Blown by Wind into an Open

question 50

Multiple Choice

When white pine seeds are blown by wind into an open field, young pine trees grow wherever the seeds land.As the pine trees get larger, they begin crowding each other and competing for space and light.Many pine trees die, and those that live are each located at a distance from their nearest neighbors.Which statement is the best description of the dispersion pattern of a white pine population over time?

• A) The trees will be clumped at all ages.
• B) The trees will be regularly spaced at all ages.
• C) The trees will be clumped when young and randomly spaced when older.
• D) The trees will be randomly spaced when young and clumped when older.
• E) The trees will be randomly spaced when young and regularly spaced when older.

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Definitions:

5-number Summary

A descriptive statistic that provides a quick overview of a dataset's distribution through five key numbers: minimum, first quartile, median, third quartile, and maximum.

Interquartile Range

The measure of variability which is the difference between the third quartile and the first quartile in a dataset, indicating the spread of the middle 50%.

Percentiles

Values or scores below which a given percentage of observations in a group of observations fall.

Decile

A statistical measure dividing a dataset into ten equal parts, each containing 10% of the data points.