Five individuals were selected at random from three communities, and their ages were recorded in the table

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Five individuals were selected at random from three communities, and their ages were recorded in the table below. The investigator was interested in determining whether these communities differed in mean age. image text in transcribed

a. State the null hypothesis.

b. Construct an ANOVA table.

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Introductory Biostatistics For The Health Sciences

ISBN: 9780471411376

1st Edition

Authors: Michael R. Chernick, Robert H. Friis

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Question Posted: Sep 19, 2024 04:01 PM

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Five individuals were selected at random from three communities, and their ages were recorded in the table

Question:

Ages of Individuals (n = 5 in Each Group) in Three Communities Community A Community B Community C Grand Totals 12 26 35 27 40 53 18 18 43 30 25 33 16 39 44 103 148 208 459 (grand total) 20.6 29.6 41.6 30.6 (grand mean)

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Introductory Biostatistics For The Health Sciences

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