SOLUTION: Hi first time using this so hope i do this right! Question: A nationall administered test has a mean of 500 and a standard deviation of 100. If your standard score is 1.8, what

Question 447611: Hi first time using this so hope i do this right!
Question: A nationall administered test has a mean of 500 and a standard deviation of 100. If your standard score is 1.8, what was your test score?
Answer by Edwin McCravy(20064) (Show Source): You can put this solution on YOUR website!
A nationall administered test has a mean of 500 and a standard deviation of 100. If your standard score is 1.8, what was your test score?





Cross multiply:



Add  to both sides:



Substitute , , and 




 
Edwin

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