When Reese Witherspoon won an Oscar as Best Actress for the movie Walk the Line, her age

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When Reese Witherspoon won an Oscar as Best Actress for the movie Walk the Line, her age was converted to a z score of - 0.61 when included among the ages of all other Oscar-winning Best Actresses at the time of this writing. Was her age above the mean or below the mean? How many standard deviations away from the mean is her age?

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Elementary Statistics

ISBN: 9780321500243

11th Edition

Authors: Mario F. Triola

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