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A doctor would like to evaluate whether flu-frequency is different among patients of various ages. He...

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Basic Math

A doctor would like to evaluate whether flu-frequency isdifferent among patients of various ages. He groups his most recent12 patients into four groups according to age (pediatric, youngadult, older adult, senior), and counts the frequency of theirflu-related visits. Below is his data. Test the hypothesis that flufrequency is different among pediatric, adult, older adult, andsenior patients using an alpha level of .01.

Pediatric

Young adult

Older adult

Senior

6

2

4

7

4

1

0

9

5

0

0

12

  Find the critical value:

  Calculate the obtained statistic:

Answer & Explanation Solved by verified expert
3.6 Ratings (579 Votes)
Column 1Column 2Column 3Column 4TotalRow 1624719Row 2410914Row 35001217Total15342850Null andAlternative HypothesesThe following null and    See Answer
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