document.write( "Question 281458: Which of the following statements are correct?
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document.write( "a.A normal distribution is any distribution that is not unusual.
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document.write( "b.The graph of a normal distribution is bell-shaped.
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document.write( "c.If a population has a normal distribution, the mean and the median are not equal.
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document.write( "d.The graph of a normal distribution is symmetric.
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Algebra.Com's Answer #204483 by brucewill(101)![]() ![]() ![]() You can put this solution on YOUR website! a.A normal distribution is any distribution that is not unusual. \n" ); document.write( " This is not necessarily true; not unusual does not directly mean a \"normal distribution\".\r \n" ); document.write( "\n" ); document.write( "b.The graph of a normal distribution is bell-shaped. \n" ); document.write( " By definition, this is true.\r \n" ); document.write( "\n" ); document.write( "c.If a population has a normal distribution, the mean and the median are not equal. \n" ); document.write( " This may or may not be true; mean and median are different measures of central tendancy. \r \n" ); document.write( "\n" ); document.write( "d.The graph of a normal distribution is symmetric. \n" ); document.write( " Again, by definition, this is true. \n" ); document.write( " |