Post by: strangeaffliction on Jan 18, 2020
Researchers have claimed that the average number of headaches during a semester of Statistics is 18. Statistics professors dispute this claim vehemently. They believe the average is much higher. They sample
students and find the sample mean is 20 and the sample standard deviation is 3.0. Use a 0.05 significance level to test whether the claim that the average number of headaches is greater than 18 is supported or not supported.◦ not supported
◦ supported
Post by: cat123 on Jan 18, 2020