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OpenStudy (anonymous):
Weights of male mountain lions follow the normal distribution with a median of 140 lb and an interquartile range of 8 lb. How to find the 55th percentile??
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OpenStudy (anonymous):
How to find the 75th and 95 thpercentile of the weights.
OpenStudy (anonymous):
@kniedite any idea?
OpenStudy (anonymous):
not yet
OpenStudy (anonymous):
@kniedite since Iq=Up-Lq=8.2, median is given 150lb , how we can find lower quartile?
OpenStudy (anonymous):
a.154.11 b.160
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OpenStudy (anonymous):
Q3-Q1= SD(z3-z1) 8.2 = SD(0.67-(-0.67)) SD=8.2/1.34 SD=6.12 0.674*6.12 + 150 =154.11 for 75th percentile 1.645*6.12 + 150 = 160 for 95th percentile
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