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  3. in country? a, the population mean height for? 3-y

In Country? A, the population mean height for? 3-year-old boys is 37 inches. Suppose a random...

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Basic Math

In Country? A, the population mean height for? 3-year-old boysis 37 inches. Suppose a random sample of 15? 3-year-old boys fromCountry B showed a sample mean of 36.5 inches with a standarddeviation of 4 inches. The boys were independently sampled. Assumethat heights are Normally distributed in the population. Completeparts a through c below. a. Determine whether the population meanfor Country B boys is significantly different from the Country Amean. Use a significance level of 0.05. Find test statistic andp-value b. Now suppose the sample consists of 30 boys instead of 15and repeat the test. Find the test statistic and p- value

Answer & Explanation Solved by verified expert
3.6 Ratings (655 Votes)
GivenHypothesized Mean 0 37 inchesSample mean 365 inchesSample standard deviation s 4 inchesSample size n 15Significance level    See Answer
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