Ashford University MAT 232 Week 1-5 Assignments

Week 1: In a poll, 1,001 adults in a country were asked whether they favor or oppose the use of "federal tax dollars to fund medical research using stem cells obtained from human embryos." Among the respondents, 47% said that they were in favor. Describe the statistical study. What is the population in the given problem? Choose the correct answer below. C. All adults in the country Identify the sample for the given problem. Choose the correct answer below. D. The 1,001 adults selected What is the population parameter in the given study? Choose the correct answer below. A. The percentage of all adults in the country who say that they are in favor Identify the sample statistic. Choose the correct answer below. C. 47% In a test of the effectiveness of garlic for lowering cholesterol, 57 adult women were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes in their levels of LDL cholesterol (in mg/dL) have an average (mean) of 3.9. Identify the sample, the population, the sample statistic, and the population parameter in this study.