SOLUTION: A psychologist studied self-esteem scores and found the data set to be normally distributed with a mean of 80 and a standard deviation of 8.
What is the z-score that cuts off the
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Question 1082637: A psychologist studied self-esteem scores and found the data set to be normally distributed with a mean of 80 and a standard deviation of 8.
What is the z-score that cuts off the bottom 33% of this distribution?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A psychologist studied self-esteem scores and found the data set to be normally distributed with a mean of 80 and a standard deviation of 8.
What is the z-score that cuts off the bottom 33% of this distribution?
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If you have a TI-83 or TI-84 calculator,
Ans:: InvNorm(0.33) = -0.4399
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Cheers,
Stan H.
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