Percentage of scores that fall below
In a standard normal distribution, the percentage of scores that fall below -2 standard deviation from the mean is about ________ %.
a. 2.5
b. 48
c. 68
d. 95
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Based on the numbers, find highest success rate that agency can possibly claim? Determine smallest possible value for probability that client's score enhanced?
If you want to alter the cutoff value from 70 in order to reduce the error probability in part a to .05, what cutoff value should you choose?
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Which of the following kinds of correlation coefficients is employed as a measure of relationship between gender and height?
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