The following are the BMI for recent Miss America winners. Use a 0.01 significance level to...
The following are the BMI for recent Miss America winners. Use a 0.01 significance level to test the claim that the BMI has a mean that is less than 20.16, which is the mean BMI for the winners in the 1920s and 1930s.
19.5 20.3 19.6 20.2 17.8 17.9 19.1 18.8 17.6 16.8
a) Write down the claim
b) Write down the null hypothesis and the alternative hypothesis. Indicate which one is the claim.
c) Draw the probability distribution curve. Write down the testing statistic and the P-Value on the graph.
d) Determine whether to reject the null hypothesis. Write the conclusion in a complete sentence.
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The following are the BMI for recent Miss America winners. Use a
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Question Help The trend of thinner beauty pageant winners has generated charges that the contest encourages...
Question Help The trend of thinner beauty pageant winners has generated charges that the contest encourages unhealthy diet habits among young women. Listed below are body mass indexes (BM) for beauty pageant winners from two different time periods. Find the coefficient of variation for each of the two sets of data, then compare the variation BMI (from the 1920s and 1930s): 20.5 218 22.1 22.3 20.2 .9 18.8 10.5 18.5 10.1 BMI (from recent winners): 19.5 20.3 19.0 20.3 17.9...
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Question Help The trend of thinner beauty pageant winners has generated charges that the contest encourages unhealthy diet habits among young women. Listed below are body mass indexes (BM) for beauty pageant winners from two different time periods. Find the coefficient of variation for each of the two sets of data, then compare the variation BMI (from the 1920s and 1930s): 20.5 218 22.1 22.3 20.2 .9 18.8 10.5 18.5 10.1 BMI (from recent winners): 19.5 20.3 19.0 20.3 17.9...
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