Confirmed Cases of West Nile Virus in Birds for a Sample

Confirmed cases of West Nile virus in birds for a sample of six counties in the state of Georgia are shown below.
$\begin{array}{ll}\text { County }&\text { Cases }\\\text { Catoosa } & 6 \\\text { Chattooga } & 3 \\\text { Dade } & 3 \\\text { Gordon } & 5 \\\text { Murray } & 3 \\\text { Walker } & 4\end{array}$ We are interested in testing the following hypotheses regarding these data: Ho: μ ≤ 3
Ha: μ > 3
a. Compute the mean and the standard deviation of the sample.
b. Compute the standard error of the mean.
c. Determine the test statistic.
d. Determine the p-value and at 95% confidence, test the hypotheses.

Correct Answer:

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a. 4 and 1.265 rounded)
b. 0....

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