# Week 1-3 Assignments.docx - Week 1 In a poll 1,001 adults...

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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.
Identify the sample for the given problem. Choose the correct answer below.
What is the population parameter in the given study? Choose the correct answer below.
Identify the sample statistic. Choose the correct answer below.
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. Identify the sample in the given study. Choose the correct answer below.
Identify the population in the given study. Choose the correct answer below.
Identify the sample statistic in the given study. Choose the correct answer below.
Identify the population parameter in the given study. Choose the correct answer below.
In a poll, 1,002 adults in a certain 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." Based on the poll results, it is estimated that 48% of adults are in favor, with a margin of error of 4 percentage points. Use the given statistic and margin of error to identify the range of values (confidence interval) likely to contain the true value of the population parameter. The range of values likely to contain the population parameter is from 44 % to 52 %. (Simplify your answer. Use ascending order.)