document.write( "Question 860205: 3) The following table shows the scores of subject 1 on six different scales of an aptitude test. Also shown are the means and standard deviations of these scales.\r
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\n" ); document.write( "\n" ); document.write( "Clerical Ability 50, 15, 41, -.6\r
\n" ); document.write( "\n" ); document.write( "Logical Reasoning 40, 4, 47, 1.75\r
\n" ); document.write( "\n" ); document.write( "Mechanical Ability 120, 25, 100, -.8\r
\n" ); document.write( "\n" ); document.write( "Numerical\r
\n" ); document.write( "\n" ); document.write( "Reasoning 100, 10, 105, 0.5\r
\n" ); document.write( "\n" ); document.write( "Spatial Relations 70, 20, 90, 1\r
\n" ); document.write( "\n" ); document.write( "Verbal Fluency 60, 6, 70, 1.67\r
\n" ); document.write( "\n" ); document.write( "I have solved the z- scores but I am having a bit of difficulty understanding which the best or worst performance. This is a table and the score, mean, standard deviation, and z-score are given in that order by subject. \n" ); document.write( "
Algebra.Com's Answer #518207 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
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document.write( "Hi,
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document.write( "Test Mean Standard Deviation Score Z-Score 
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document.write( " Clerical Ability     50, 15, 41,   -.6 
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document.write( " Logical Reasoning    40, 4, 47,    1.75  best 96%  |Use z-Score Percentile Calculator
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document.write( " Mechanical Ability  120, 25, 100,   -.8 
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document.write( " Num Reasoning       100, 10, 105,   0.5 
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document.write( " Spatial Relations    70, 20, 90,     1   good   84%
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document.write( " Verbal Fluency        60, 6, 70,    1.67 better 95%
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document.write( "-z scores indicate below average, higher the plus z-score..the higher the ranking in the upper 50%
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document.write( "using Good, Better, Best :)
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document.write( "Below:  z = 0, z = ± 1, z= ±2 , z= ±3 are plotted.  
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document.write( "Note: z = 0 (x value the mean) 50% of the area under the curve is to the left and %50 to the right
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