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Psychology
Statistics for the Behavioral Sciences
Quiz 4: Percentiles,percentile Ranks,standard Scores,and the Normal Distribution
What Proportion of Scores in a Normal Distribution Lies Between
Question 96
Multiple Choice
What proportion of scores in a normal distribution lies between z scores of -1.55and +1.55? A).8788 B).9802 C).8779 D)None of these
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Q 97
IQ test are based on a normal distribution.If someone's Standard score is 0 what is his IQ? A)100 B)130 C)50 D)None of these
Q 98
Percentiles are based on what scale of measurement? A)Nominal B)Ordinal C)Ratio D)All of these
Q 99
What proportion of scores are equal to a SD=1 in a normal distribution? A)68.26% B)13.59% C)34.13% D)None of these
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