Iq scores follow a normal distribution with mean 100 and standard deviation 15. give 100 random city college students a standard
iq test. how many will score between 85 and 115?
1 answer:
About 68% of the people will score between 85 and 115.
The values of 85 and 115 are exactly 15 points away, or 1 standard deviation, away from the mean.
According to the empirical rule, about 68% of the values in a normal distribution are within 1 standard deviation of the mean.
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