# chi sq hmwk #2 answer - difference in frequencies is the...

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Rabid not rabid total skunks Towson area 14 23 43 1.79 (.01<P<.25) Out of Towson 12 38 50 P= 0.18 total skunks 26 61 93 X 2 = a) 14/43 = 33% of skunks rabid in Towson and 12/50 = 24% of skunks rabid outside of Towson. b) Overall, 33% of skunks in Towson are rabid whereas 24% of skunks out of Towson are rabid. The difference in the frequencies of rabid skunks is signifigant (P<5%). There is between a 1% and 2.5% chance that the
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Unformatted text preview: difference in frequencies is the result of sampling error alone. We therefore can reject the null hypothesis here and can conclude that there are less rabid skunks out of Towson. Towson area Out of Towson 11 11.5 12 12.5 13 13.5 14 14.5 Rabid Skunk Frequencies Location Rabid Skunks (%)...
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## This note was uploaded on 02/12/2010 for the course BIOL 202-004 taught by Professor Dr.johnson during the Fall '09 term at Butler CCC.

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