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I scored an 85 percent on my exam. The mean score for that quiz was -83.73 and standard deviation was -24.23 what is the z score for this exam?

  • stats -

    I assume the mean and SD are not negative.

    Z = (score-mean)/SD

    Insert values and solve for Z.

  • stats -

    I'm a little confused on how to do it and then convert it into a percentage when I do work it out it comes to a huge number. I don't know to do anything after that . I get .31295738

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