Statistics: Z-test: Testing hypotheses – #132


Question: Instant oatmeal mix is considering adding flavors to its mix. 200 people tested the flavors and gave preferences. Is there a preference for flavor at the .05 level? State hypotheses and identify claim, find critical value(s) compute test value, make the decision, and summarize results.

Plain 20

Cinnamon 58

Apple 48

Maple 22

Peach 52

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