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 6.341
127. Suppose a different exam had the following parameter values: and . Explain how the distribution graph would be similar and how it would be different from the graph in Exercise 126.
6.4.127
The peak would still be at but since the standard deviation is larger the curve would be flatter and more spread out.