stat200 practice final exams new spring 2015 100% Satisfaction Guaranteed!
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Description
For questions 1 27, there is only one correct answer from those given. Mark your answer to each question
with a pencil on the sheet provided. Ambiguous responses will be considered incorrect.
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If two lists of numbers have exactly the same mean of 30 and the same standard deviation of 5, then
the percentage of numbers between 25 and 35 must be exactly the same for both lists.
(a) True
(b) False
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If the slope of a regression line is zero, then the correlation coecient is zero. Likewise, if the slope of
the line is one, then the correlation coecient is one.
(a) True
(b) False
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I calculate the residuals from a regression line predicting weight from height. I nd that all the residuals
are negative. This is impossible; I...
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