MATLAB: An Introduction with Applications
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ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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A doctor would like to evaluate whether flu-frequency is different among patients of various ages. He groups his most recent 12 patients into four groups according to age (pediatric, young adult, older adult, senior), and counts the frequency of their flu-related visits. Below is his data. Test the hypothesis that flu frequency is different among pediatric, adult, older adult, and senior 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
d. Find the critical value:
e. Calculate the obtained statistic:
f. Make a decision:
g. What does your decision mean?
h. Paste your SPSS output here:
i. Explain how the Sig. value in your SPSS output leads you to make the same decision about the null hypothesis as you have made in part g.
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