Recall that for Stanford-Binet IQ scores the mean is 100 and the standard deviation is 15. a.

Question:

Recall that for Stanford-Binet IQ scores the mean is 100 and the standard deviation is 15.
a. Use the Empirical Rule to specify the ranges into which 68%, 95%, and 99.7% of Stanford-Binet IQ scores fall.
b. Draw a picture similar to Figure 8.6 for Stanford-Binet scores, illustrating the ranges from part (a).