A study of fox rabies in a country gave the following information about different regions and...

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A study of fox rabies in a country gave the followinginformation about different regions and the occurrence of rabies ineach region. A random sample of

n1 = 16

locations in region I gave the following information about thenumber of cases of fox rabies near that location.

x1:

   Region I Data

29997881
33325146

A second random sample of

n2 = 15

locations in region II gave the following information about thenumber of cases of fox rabies near that location.

x2:

   Region II Data

22526854
4422569

(i) Use a calculator with sample mean and sample standarddeviation keys to calculate x1 ands1 in region I, and x2 ands2 in region II. (Round your answers to twodecimal places.)

x1=
s1=
x2=
s2=


(ii) Does this information indicate that there is a difference(either way) in the mean number of cases of fox rabies between thetwo regions? Use a 5% level of significance. (Assume thedistribution of rabies cases in both regions is mound-shaped andapproximately normal.)
(a) What is the level of significance?

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SolutionI use R    See Answer
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