Question: math sat scores are normally distributed with a mean of...
Math SAT scores are normally distributed with a mean of 480 and standard deviation of 100. After a test prep course, a sample of 5000 students gets a mean of 483 on their SAT. Is there evidence to suggest that the test prep course increased test scores?
What is H0,H1, (null/alternative hypothesis), critical value, rejection region and p value?