Cheese Consumption. Refer to Problem 26. The following table provides last year's cheese consumption, in pounds, for 35 randomly selected Americans. a. At the 10% significance level, do the data provide sufficient evidence to conclude that last year's mean cheese consumption for all Americans has increased over the 2010 mean?

Assume that ? = 6.9lb. Use a z-test. (Note: The sum of the data is 1218 lb.)

b. Given the conclusion in part (a), if an error has been made, what type must it be? Explain your answer

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