Question

7.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​ (BMI) 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.

Chrome 읊 https://www matolcom /Student PlayerHomewokaspx?homeworkid-512478186&questionid-3&flushed-fal. nformula cannot be negative. 1/1 | ^ v MATH 2193 Internet Statistics Spring 2019 Homework: Section 3.3 Homework Score: 0 of 1 pt 3.3.21 Save 7 of 23 (6 complete) HW Score: 26.09%, 6 of 23 pts 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 (BMI) 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 21.8 221 22.4 20.3 18.7 18.9 19.3 18.4 19.1 BMI (from recent winners): 195 204 195 20.3 17.8 179 19.1 189 176 168 The coefficent of variation for the BMrs of beauty pageant wnners from the 1920s and 1930s is L % (Round to one decimal place as needed) Enter your answer in the answer box and then click Check Answer parts Clear All Type here to search

The coefficient of variation for the​ BMI's of beauty pageant winners from the 1920s and 1930s is ___%.

Answer 1

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BMI (from the 1920s and 1930s BMI (from recent winners) 20.5 21.8 22.1 22.4 20.3 18.7 18.9 19.3 18.4 19.1 19.5 20.4 19.5 20.3 17.8 17.9 19.1 18.9 17.6 16.8 For BMI (from the 1920s and 1930s Mean 20.15 and 1950s | 7.5% Stanadard deviation 1.50 The coefficient of variation for the BMI's of beauty pageant winners from the 1920s and 1930s is 7.5 |96 BMI (from recent winners Mean 18.78 Cv 6.41% Stanadard deviation1.21 The coefficient of variation for the BMI's of b eant winners from recent winners is 6.4% BMI from the 1920s and 1930s is more variable than BMI from recent winners