Weights of Supermodels. Supermodels are sometimes criticized on the grounds that their low weights… 1 answer below »

Weights of Supermodels. Supermodels are sometimes criticized on the grounds that their low weights encourage unhealthy eating habits among young women. In Exercises 1–4, use the following weights (in pounds) of randomly selected supermodels.125(Taylor)119(Auermann)128(Schiffer)125(Bundchen)119(Turlington)127(Hall)105(Moss)123(Mazza)110(Reilly)103(Barton)1. Find the mean, median, and standard deviation.2. What is the level of measurement of these data (nominal, ordinal, interval, ratio)?3. Construct a 95% confidence interval for the population mean.4. Find the sample size necessary to estimate the mean weight of all supermodels so that there is 95% confidence that the sample mean is in error by no more than 2 lb. Assume that a pilot study suggests that the weights of all supermodels have a standard deviation of 7.5 lb.

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