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For a distribution of scores with = 82 and standard deviation = 2.5, find the following:
(Don't forget to sketch the normal curve to help you visualize what you are trying to find.)
A. What is the percentage of scores falling between the mean and a raw score of 84?
B. What is the probability of a score falling above a raw score of 86?
C. What is the probability of a score falling between the raw scores of 83 and 87?
D. The percentile rank of a score of 79.
E. The percentile rank of a score of 89.
Using log(x1), log(x2) and log(x3) as the predictors, do pair wise scatterplots of all pairs of variables (including the response) and comment (use the pairs function). Do you thin
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HOW WOULD YOU INTERPRET THIS PROBABILITY:P(a)=1.05
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