SOLUTION: 7. Find the value of z such that 25% of the distribution lies between it and the mean.
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Question 309338: 7. Find the value of z such that 25% of the distribution lies between it and the mean.
Found 2 solutions by stanbon, Fombitz:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the value of z such that 25% of the distribution lies between it and the mean.
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Draw the picture.
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There are two z-values.
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One has a left tail of 0.25
invNorm(0.25) = -0.6745
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The other has a left tail of 0.75
invNorm(0.75) = 0.6745
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Cheers,
Stan H.
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Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The z-score for p=0.25 is z=-0.67449, using NORMSINV in EXCEL.
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