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A Medical Journal Reported the Following Frequencies of Deaths Due

Question 42

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A medical journal reported the following frequencies of deaths due to cardiac arrest for each day of the week:
Cardiac Death by Day of the Week
 Day f Monday 40 Tuesday 17 Wednesday 16 Thursday 29 Friday 15 Saturday 20 Sunday 17\begin{array}{ll}\text { Day }&f\\\text { Monday } & 40 \\\text { Tuesday } & 17 \\\text { Wednesday } & 16 \\\text { Thursday } & 29 \\\text { Friday } & 15 \\\text { Saturday } & 20 \\\text { Sunday } & 17\end{array} We want to determine whether the number of deaths is uniform over the week.
a. Compute the test statistic.
b. Using the p-value approach at 95% confidence, test for the uniformity of death over the week.
c. Using the critical value approach, perform the test for uniformity.

Correct Answer:

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a. χ2 = 23.25
b. p-value is le...

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