These two go together

8. JimBob needs help (what else is new, right?). He wants to know how to create a confidence interval but he left his book at home. However, he wrote down some key information about the problem: sd = 4.5, mean = 10.8, n = 35, 98% confidence level. (6 Points) Since JimBob was not clear, is the mean of 10.8 x-bar or mu? How do you know? Enter your answer 9. JimBob needs help (what else is new, right?). He wants to know how to create a confidence interval but he left his book at home. However, he wrote down some key information about the problem: sd = 4.5, mean = 10.8, n = 35, 98% confidence level. (4 Points) Is the standard deviation of 4.5 the population standard deviation or the sample standard deviation? Explain. Enter your