An ecologist studied the spatial distribution of tree species in a wooded area. From a total area
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The value of the chi-square statistic for this contingency table is Ï2s = 7.96. Test the null hypothesis that the two species are distributed independently of each other. Use a non directional alternative and let α = 0.01. In stating your conclusion, indicate whether the data suggest attraction between the species or repulsion. Support your interpretation with estimated conditional probabilities from the data.
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Statistics For The Life Sciences
ISBN: 9780321989581
5th Edition
Authors: Myra Samuels, Jeffrey Witmer, Andrew Schaffner
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