In a Study of the Influence of Yogurt Consumption and Immunity

question 3

Multiple Choice

In a study of the influence of yogurt consumption and immunity (Van de Water, Keen, & Gershwin, Journal of Nutrition, 1999) there were three study groups per age group (young adults and senior adults) . Live-culture yogurt, pasteurized yogurt and control (no yogurt) were given to each age group in portion sizes of 200 grams per day for 1 year. Under what conditions would ANOVA be violated?

• A) When sample sizes are large
• B) When sample sizes are unequal
• C) When sample sizes are small
• D) When there are different samples that have small variances

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