data homework 15

data homework 15 - Bryan Redd Homework 15 Due Date: Sunday,...

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Bryan Redd Homework 15 Due Date: Sunday, March 9, 2008 by 11:55 p.m. NOTE: make sure to show all your work, and please make your document as readable as possible. 1. David Swenson, a yoga teacher, believes that the improvement in one's studies can come with the improvement in one's ability to concentrate, to focus, and to be self-aware. According to him, the practice of yoga teaches these skills. It is known that the average final exam grade across all calculus sections is 60. Mr. Swenson has recruited 49 students, who were taught the practice of yoga for the two months prior to taking the final. Upon taking the exam, their average grade was found to be 65. Assume that the standard deviation of all calculus grades and alpha are 15 and 0.01 respectively. a. Who is the researcher? David Swenson b. What is the population (i.e., what are the entities of interest to the researcher)? Students taught the practice of yoga two months prior to taking the calculus final. c. What is the variable of interest (i.e., what is the characteristic of the population that the
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data homework 15 - Bryan Redd Homework 15 Due Date: Sunday,...

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