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anonymous
 one year ago
Statistics help!!!
anonymous
 one year ago
Statistics help!!!

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campbell_st
 one year ago
Best ResponseYou've already chosen the best response.1well you could find a z score... it will tell you how many standard deviations you are below the mean... then use a table of values to get a probability best guess is that a score of 200 is in the bottom 3% of scores...

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.1z score = ( score  mean)/standard deviation

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.1well its a table with a whole lot of z scores in it... and then you go and find the value... you must have used one to complete these type of questions... its a normal distribution... or perhaps its a calculator function.
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