The Scores on the Wechsler Intelligence Scale for Children (WISC)are

Multiple Choice

The scores on the Wechsler Intelligence Scale for Children (WISC) are thought to be Normally distributed with a standard deviation of  = 10.A simple random sample of 25 children is taken,and each is given the WISC.The mean of the 25 scores is = 104.32.Based on these data,what is a 95% confidence interval for ?

A) 104.32 ± 0.78
B) 104.32 ± 3.29
C) 104.32 ± 3.92
D) 104.32 ± 19.60