Chapter 6 Case Study: SAT Scores and AP Exam Scores
The College Board reports that the population mean Critical Reading SAT score in 2013 was = 496, with a population standard deviation of , and that the scores followed a normal distribution. Use this information for Exercises 126–131.
Question 6.343
129. What can we say about and ? What property of the normal distribution allows us to say this?
6.4.129
They are both equal to 0.5. The property that the mean equals the median.