Hypothesis Testing of Mean: BMI
Identify the null and alternative
hypothesis, test statistic, P-value,critical values and state the final conclusion
that addreses the original claim:
The trend of thinner Miss America
winners has generated charges that the contest encourages unhealthy diet habits
among young women. Listed below are body mass indexes (BM) for recent Miss
America winners. Use a 0.01 significance level to test the claim that recent
Miss America winners are from a population with a mean BMI less than 20.16
which was the BME for winners from the 1920’s and 1930’s. Do recent winners
appear to be significantly different from those in the 1920’s and 1930’s?
19.5 20.3 19.6 20.2 17.8 17.9 19.1
18.8 17.6 16.8
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