The Wechsler Adult Intelligence Scale (WAIS)

5.11Scores on the Wechsler Adult Intelligence Scale (WAIS) approximate a normal curve with a mean of 100 and a standard deviation of 15. What proportion of IQ scores are(a) above Kristen’s 125?(b) below 82?(c) within 9 points of the mean?(d) more than 40 points from...

The Wechsler Adult Intelligence Scale (WAIS)

5.11Scores on the Wechsler Adult Intelligence Scale (WAIS) approximate a normal curve with a mean of 100 and a standard deviation of 15. What proportion of IQ scores are(a) above Kristen’s 125?(b) below 82?(c) within 9 points of the mean?(d) more than 40 points from...