Let the population of interest be all students at your school and assume for now we have a representative sample.
(e) Do we know the value of the population mean amount of sleep on a typical night for all students at your school? What symbol can we use to represent its value?
The research conjecture is that students at your school average less than 8 hours of sleep a night.
(f) Translate this statement into null and alternative hypothesis statements (Ho and Ha) using symbols. Hint: Make sure to use the appropriate symbol for a population mean.
(g) Do we know the value of the population standard deviation? What symbol can we use to represents its value? Provide a one-sentence interpretation of what this value would represent in this context.
