Homework Help: Statistics

Posted by Andrea on Friday, April 8, 2011 at 10:56pm.

z Score: 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?

Statistics - Ms. Sue, Friday, April 8, 2011 at 10:58pm
You seem to be saying that you don't know anything about the class you're taking.

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