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Earn +20 ptsQ: How do you subtract standard deviations?
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Continue Learning about Statistics
What is the sum of the deviations from the mean?
The sum of standard deviations from the mean is the error.
In a standard normal distribution 95 percent of the data is within plus standard deviations of the mean?
95% is within 2 standard deviations of the mean.
What is the standard deviation for Wechsler intelligence for children?
The mean for the WISC, like the WAIS, is 100. The deviations from 100, or standard deviations, are 15.
What is 2 standard deviations?
2 times the standard deviation!
This tells how many standard deviations a measurement is away from the mean?
Z-Score tells how many standard deviations a measurement is away from the mean.
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