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Ch7 copy.pdf - An instructor of large statistics course...

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An instructor of large statistics course with 1000 students is interested in finding out the strength of his students’ math skills. He thinks their high school calculus grades will be a good indicator of math ability. The instructor drew one random sample of size 5. There are many other possible samples of size 5 that the instructor could have drawn. With each random sample he would get di erent values of the sample mean. Imagine we repeat the sampling procedure many more times: Sample Grades of sampled students Sample mean
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