The Wechsler Adult Intelligence Scale (WAIS) intelligence quotient (IQ) tests are the primary clinical instruments used...

Question

Question

The Wechsler Adult Intelligence Scale (WAIS) intelligence quotient (IQ) tests are the primary clinical instruments used to me

Answer 1

Answer #1

68% 95% 99.7% 55 70 85 100 115 130 145

P ( 70 < X < 130 ) = 95% = 0.95

IQ between 70 and 130 lies within 2 standard deviation.

Answer 2

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