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Calculate the standard deviation using the symbols

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Reference no: EM131741168

Question: Here again are the data from the National Survey of Student Engagement for a sample of 19 national universities, as reported in 2005. These are the percentages of U.S. students who said they were assigned between 5 and 10 20-page papers.

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a. Calculate the mean of these data using the symbols and formula.

b. Calculate the variance of these data using the symbols and formula, but also using columns to show all calculations.

c. Calculate the standard deviation using the symbols and formula.

d. In your own words, describe what the mean and standard deviation of these data tell us about these scores.

Reference no: EM131741168

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