document.write( "Question 1191143: A data set has a mean of 𝑥̅= 6.8 and a standard deviation of 1.9. Find the z-score for each of
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Algebra.Com's Answer #822909 by ikleyn(52786) $\"\"$ $\"About$

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document.write( "To find z-score, use the same formula for all four cases\r\n" );
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document.write( "    Z = \r\n" );
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document.write( "where\r\n" );
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document.write( "Z	=	standard score\r\n" );
document.write( "x	=	observed value\r\n" );
document.write( "mu	=	mean of the sample\r\n" );
document.write( "sigma	=	standard deviation of the sample\r\n" );
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document.write( "Use this formula separately for each case.\r\n" );
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