Sample of the college president

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Reference no: EM132152121

1. A college president wants to find out which general study courses students beleive are the most beneficial to them.he decides to have students anonymously completea questionnaire on the college website to gather his data. There are 15,000 students who attend the college. The college president ends up getting 2,000 of thses students.
a. the population of the college president's research is?-------

b) the sample of the college president's research is -----

c) is there bias in this study? use appropriate vacabulary to explain your answer.

2. studies show that 1% of american are vegetarian and 0.5% of american are vegan. what percentage of american are not vegetarian or vegans?

3. for a medical study, a researcher wishes to select people in middle 74% of the population based on blood pressure. If the mean systolic blood pressure is 120 and the standard deviation is 8, find the upper and lowerreadings that would qualify people t participate in the study.

Reference no: EM132152121

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