Practice Midterm Exam Questions - Second Midterm Two Random Variable Questions. 1. Using the distribution in Question 5-12, part c) (p168) a) Work out the mean and variance of (X+Y). b) Work out the mean and variance of X, then the variance of Y. c) What
Practice Midterm Exam Questions - Second Midterm Chapter 5 Questions. 1. a) Using the distribution in Question 5-12, part c) (p168) Work out the mean and variance of (X+Y).
The calculation is in the table. The mean is 2.7. b) Work out the mean and varianc
Testing hypotheses about the population mean
Consider the following problem (based on Keller 2006, exercise 9.22 p. 290): You know from past experience that the weight of a can of salmon is a normal random variable with a standard deviation of .18 ounce.
In addition to showing your printout state the null and alternative hypotheses, and the results of the hypothesis test in terms of the question using complete sentences. Excel exercise 1, page 114: The Macburger restaurant chain claims that the m
Practice Final Winter 2009
These questions are mostly concerned with the latter part of the course. The final exam will be weighted so that about half is on just the topics covered since the last midterm (or around that time, I include using the central l