Quiz2 - survey? d. What percent of the young girls in...

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Stats: Data and Modeh Quiz A - Chapter 3 Name Has the percentage of young girls drinking milk changed over time? The following table is consistent with the results from "Beverage Choices of Young Females: Changes and Impact on Nutrient Intakes" (Shanthy A. Bowman, Journal ofthe American Dietetic Association, 102(9), pp. 1234-1239): Drinks Fluid Milk 226 366 927 Total 580 837 732 2149 1. Find the following: a. What percent of the young girls reported that they drink milk? b. What percent of the young girls were in the 1989-1991 survey? c. What percent of the young girls who reported that they drink milk were in the 1989-1991
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Unformatted text preview: survey? d. What percent of the young girls in 1989-1 991 reported that they drink milk? 2. What is the marginal distribution of milk consumption? 3. Do you think that milk consumption by young girls is independent of the nationwide survey year? Use statistics to justify your reasoning. 4. Consider the following pie charts of the a subset of the data above: . i I Do the pie charts above indicate that milk consumption by young girls is independent of the nationwide survey year? Explain....
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This note was uploaded on 04/12/2011 for the course STA 215 taught by Professor Tba during the Spring '08 term at Grand Valley State University.

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