• Exam scores follow a normal distribution, N (500, 50). Roughly, what percentage of students earned a test score between 400 and 600? 95% Not enough information to answer. 68% Less than 5%

Extracted text: • Exam scores follow a normal distribution, N (500, 50). Roughly, what percentage of students earned a test score between 400 and 600? 95% Not enough information to answer. 68% Less than 5%


Extracted text: What is the inmportant difference between Parameters and Statistics? Parameters are knowable, but statistics are typically unknown. Statistics are knowable, but parameters are typically unknown Statistics are more reliable than parameters. Parameters are easier to measure than statistics.