Asked Jan 17, 2020

Weather-Related Deaths For a recent year, the numbers of weather-related U.S. deaths for each month were 28, 17, 12, 24, 88, 61, 104, 32, 20, 13, 26, 25 (listed in order beginning with January). Use a 0.01 significance level to test the claim that weather-related deaths occur in the different months with the same frequency. Provide an explanation for the result.


Expert Answer

Step 1

The claim is to test whether the deaths occurred due to weather related issues is the same for all the months of a year.

If the claim is false, then the deaths occurred due to weather related issues is different for different months of a year.

The hypotheses are given by,

Statistics homework question answer, step 1, image 1
Step 2

The test statistic is calculated by the formula,

Statistics homework question answer, step 2, image 1
Step 3

Where, O represents the observed frequency and E represents the expected frequency

Methods for finding Expected frequency:

Condition 1: If all the expected frequencies are equal, then E=n/k

Condition 2: If the expected frequencies are no...

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