Subject: Mathematics    / Statistics

Flu cases this past flu season (4 months or 20 weeks) in the Butterfield, Kansas, school system were about 15 per week. For the entire state, the weekly average was 16 and the standard deviation 2.35. Are the kids in Butterfield as sick as the kids throughout the state? Do this one manually. Cannot use Z test, only two-tailed test with a 95% confidence level

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