document.write( "Question 549661: a score that is 6 points below the mean corresponds to a z score of z= -0.50. what is the population standard deviation? \n" ); document.write( "
Algebra.Com's Answer #358028 by stanbon(75887)\"\" \"About 
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a score that is 6 points below the mean corresponds to a z score of z= -0.50. what is the population standard deviation?
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\n" ); document.write( "z = (distance from mean)/(standard deviation)
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\n" ); document.write( "-0.5 = -6/s
\n" ); document.write( "s = -6/-0.5
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\n" ); document.write( "s = 12
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