SOLUTION: In a survey of women in a certain country (ages 20-29), the mean height was 66.9 inches with a standard deviation of 2.88 inches/ What height represents the first quartile?
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Question 977982: In a survey of women in a certain country (ages 20-29), the mean height was 66.9 inches with a standard deviation of 2.88 inches/ What height represents the first quartile? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! In a survey of women in a certain country (ages 20-29), the mean height was 66.9 inches with a standard deviation of 2.88 inches/ What height represents the first quartile?
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Find the z-value with a left-tail of 0.25.
invNorm(0.25) = 0.6745
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Find the corresponding height value::
h = 0.6745*2.88+66.9 = 64.96"
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Cheers,
Stan H.
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