On IQ tests,"giftedness" is normally defined as having an IQ score that is _________standard deviation(s) above the mean.
A) one
B) two
C) three
D) four
Correct Answer:
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Q20: Which is a property of the normal
Q21: When researchers want to know about the
Q22: With a skewed distribution,the best measure of
Q23: With a positively skewed distribution _.
A)the mean
Q24: Calculate ΣX from the following numbers: 3,5,6,8,and
Q26: Which is the correct formula for the
Q27: A _ indicates how many standard deviations
Q28: The formula for the mean is _.
A)ΣX/N
B)Σ(X
Q29: The median is _.
A)the sum of all
Q30: Which statement is true if there is
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