1 press ctrl-a ©g dear 2009 – not to be sold/free to use z-scorecomparisons stage 6 - year 12...
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Press Ctrl-APress Ctrl-A©G Dear 2009 – Not to be sold/Free to use
Z-scoreZ-scoreComparisonsComparisonsStage 6 - Year 12Stage 6 - Year 12
General MathematicsHSC
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Z Scores – Comparison (1/2)
How can I tell if I am doing better in MathMath or EnglishEnglish?
My scores were 7575 in English and 5555 in Math.
English.English.
x = 60 and s = 10
Math.Math.
x = 45 and s = 5
z =x – x
s
z = 75 - 6010
z = 1.5
z = 55 - 455
z = 2
Since MathMath had a larger z score than English.English.The best mark was ……
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Z Scores – Comparison (2/2)
Am I doing better on golf course AA or course BB?
My scores were 6565 on course AA and 5757 on course BB.
Course ACourse A
x = 70 and σ = 5
Course BCourse B
x = 65 and s = 4
z = 65 - 705
z = -1
z = 57 - 654
z = -2
Since Course BCourse B had a lower z score than Course Course AA..
the best score was ……
LowestLowestZ ScoreZ Score
WinsWins
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