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Unformatted text preview: amount of litter already on the ground. 2. Ho: p 1 = 1/4; p 2 = 1/4; p 3 = ¼, p 4 = 1/4 (no difference) Ha: At lest one proportion differs from its hypothesized value. (difference) The expected frequencies are 50/4 = 12.50 Test statistic: χ 2 = (O-E) Σ 2 /E = 2.42+1.62+2.42+1.62 = 8.08 χ 2 0.03, 3 = 8.94729 Rejection region χ 2 > 8.94729 Do not reject Ho. The data does not provide sufficient evidence to indicate that whether the true proportions of the preferences to the four possible orientations differ....
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This note was uploaded on 09/10/2009 for the course STAT 217 taught by Professor Dan during the Winter '07 term at University of Calgary.
- Winter '07