2. The following data are observed frequencies of skunks found with and without rabies in two different geographic areas

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2 The Following Data Are Observed Frequencies Of Skunks Found With And Without Rabies In Two Different Geographic Areas 1 (23.26 KiB) Viewed 87 times

2 The Following Data Are Observed Frequencies Of Skunks Found With And Without Rabies In Two Different Geographic Areas 2 (34.95 KiB) Viewed 87 times

2. The following data are observed frequencies of skunks found with and without rabies in two different geographic areas. With rabies Without rabies 14 29 12 38 Area A B The following values are the expected frequencies under the null hypothesis that the incidence of rabies in skunks is the same in both areas. Area With rabies Without rabies 12 31 А B 14 36 a. Test the above null hypothesis and show your work. [2 points) b. Clearly state your statistical conclusion and how you came to that conclusion. [2 points)
5. In a population of the Eastern starling, there are 5000 nests with young. The distribution of brood size (number of young in a nest) is given in the accompanying table. BROOD SIZE FREQUENCY (NUMBER OF BROODS) 90 230 610 1400 1750 750 130 1 2 3 4 5 6 7 8 9 10 TOTAL 26 3 1 5000 What is the median brood size in the data set? (2 points) 6. Health care practitioners wanted to know whether the mean body temperature of patients with a particular disease differed significantly from 98.6 °F. They used a random sample of 25 patients for their study. They conducted the appropriate test and got a P value of 0.58. Based on this result, what value do you know falls within the 95% confidence interval for mean body temperature of this sample? (Your answer must be an actual number.) [2 points)