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10) The average IQ of 10 students is 100 with standard deviation of 18. The range of usual IQ scores would be: a) b)

10) The average IQ of 10 students is 100 with standard deviation of 18. The range of usual IQ scores would be: a) b) c) (83, 127) d) (46, 154) (64, 136) (82, 118)

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