Problem 4 : Below is data on type of beer vs ABV. There are only 28 bottles. Saison Lager Stout Ale 4.5% 5.9% 6% 5.1% 5.1% 4.8% 4.3% 5.8% 6.5% 4.5% 7% 5.6% 7.8% 5.0% 5.2% 7.7% 9% 5.5% 5.3% 5.3% 8.5% 5.5% 9.3% 5.9% 6.2% 7% 10.2% 13% Мean 6.8% 5.46% 6.76% 6.91% Std Dev 1.7% 0.83% 2.22% 2.82% We want to study the effect of beer type on ABV. a. Test the hypothesis that each beer type has the same average ABV. The critical value with a 10% alpha is 2.33

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