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Math Help - [SOLVED] Easy stats question

  1. #1
    Mur
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    [SOLVED] Easy stats question

    I am having a hard time figuring out how to do this by hand, I understand the logic behind it but need someone to explain one thing.



    I know how to find the numbers to make this on minitab but when I attempt to figure out how to convert 60 to a number that i can look up on the z tables.
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  2. #2
    Flow Master
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    Quote Originally Posted by Mur View Post
    I am having a hard time figuring out how to do this by hand, I understand the logic behind it but need someone to explain one thing.



    I know how to find the numbers to make this on minitab but when I attempt to figure out how to convert 60 to a number that i can look up on the z tables.
    You're expected to know that Z = \frac{X - \mu}{\sigma}.
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  3. #3
    Mur
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    nm...found it just after I posted too..

    z = y - mu / sigma


    thanks mr fantastic btw
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