#14) A researcher collected data on the eating habits of 64 Americans in 2018 and finds...

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Statistics

#14) A researcher collected data on the eating habits of 64Americans in 2018 and finds that they eat an average of 125 lbs ofcheese per year with a sample standard deviation of 40 lbs.

a) Can we definitively say that Americans eat more than 120 lbsof cheese per year? Show all steps of the hypothesis test to testthis question. (15pts)

b) Find the 95% confidence interval for cheese an averageAmerican consumes per year. (5pts)

Answer & Explanation Solved by verified expert
3.6 Ratings (600 Votes)
The provided sample mean is and the sample standard deviation is s40 and the sample size isn 641 Null and Alternative HypothesesThe following null and alternative hypotheses need to betestedHo 120Ha 120This corresponds to a    See Answer
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