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Mensa is an organization whose members possess IQs in the top 2% of the population. If...

Mensa is an organization whose members possess IQs in the top 2% of the population. If IQs are normally distributed, with a mean of 100 and a standard deviation of 16, what is the middle spread (or interquartile range)? Approximately

a.

65.6
b.

21.28
c.

75-125
d.

84-116
e.

10.72
math   Statistics-And-Probability   
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