Hypothesis testing A student group claims that first year students must study 2.5 hours per night.

2. A student group claims that first-year students must study 2.5 hours per night during the school week. A skeptic suspects that they study less than that on average. [2, 14.26] (a) What does the population mean u represent? (b) What is the value of the claimed constant Mo? (c) Using Formula 88 notation, what is the alternative hypothesis Ha? (d) Is H right-tailed, left-tailed, or two-tailed