Mathematics, 23.04.2020 21:36 jasminemarie610
Lipids provide much of the dietary energy in the bodies of infants and young children. There is a growing interest in the quality of the dietary lipid supply during infancy as a major determinant of growth, visual and neural development, and long-term health. An article reported the following data on total polyunsaturated fats (%) for infants who were randomized to four different feeding regimens: breast milk, corn-oil-based formula, soy-oil-based formula, or soy-and-marine-oil-based formula. (Use i= 1, 2, 3, and 4 respectively.)
Sample Regimen Sample Size Sample Mean Sample SD
Breast milk 15 42.9 1.3
CO 17 43.1 1.5
SO 8 43.7 1.2
SMO 14 43.9 1.2
(a) What assumptions must be made about the four total polyunsaturated fat distributions before carrying out a single-factor ANOVA to decide whether there are any differences in true average fat content?
___The distribution of polyunsaturated fat percentages for each of the four regimens must be uniform with equal variances.
___The distribution of polyunsaturated fat percentages for each of the four regimens must be normal with unequal variances.
___The distribution of polyunsaturated fat percentages for each of the four regimens must be normal with equal variances.
Answers: 2
Mathematics, 21.06.2019 19:30, robbiannb1399
The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.
Answers: 3
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