Confirmed Cases of West Nile Virus in Birds for a Sample

question 116

Short Answer

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.

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Definitions:

Major Depressive Episode

A period characterized by a severely depressed mood or a loss of interest or pleasure in daily activities, lasting for at least two weeks.

Hypomania

A milder form of mania, characterized by elevated mood, increased activity or energy levels that are not as severe as full-blown mania.

Bipolar I Disorder

Form of bipolar disorder in which the full symptoms of mania are experienced; depressive aspects may be more infrequent or mild.

Mania

State of persistently elevated mood, feelings of grandiosity, overenthusiasm, racing thoughts, rapid speech, and impulsive actions.