Problem Sets

• Regression Analysis - SIUe - STAT 482 - Probem Set 8

  This problem set covers multicollinearity in regression analysis and the marginal and partial effects of predictor variables, among other topics.

• Regression Analysis - STAT 482 - Exam 1

  Experience with a certain type of plastic indicates that a relationship exists > between the hardness (measured in Brinell units) of items molded from the

• Regression Analysis - STAT 482 - Exam 2

  A beer distributor is interested in the amount of time to service its retail > The data is available on Blackboard as a csv file.

• Regression Analysis - STAT 482 - Problem Set 1

  Refer to the data from Exercise 1.27 A person’s muscle mass is expected to decrease with age. muscle mass (in muscle mass units).

• Regression Analysis - STAT 482 - Problem Set 10

  A company wishes to study the effects of three different types of promotions > on sales of its crackers.

• Regression Analysis - STAT 482 - Problem Set 2

  Refer to the data from Exercise 1.27 A person’s muscle mass is expected to decrease with age. muscle mass (in muscle mass units).

• Regression Analysis - STAT 482 - Problem Set 3

  Refer to the data from Exercise 1.20 The goal is to explore the relationship between the number of copiers serviced

• Regression Analysis - STAT 482 - Problem Set 4

  Refer to the data from Exercise 1.20 The goal is to explore the relationship between the number of copiers serviced

• Regression Analysis - STAT 482 - Problem Set 5

  Refer to the data from Exercise 3.15 A designed experiment is conducted to study the concentration of a solution

• Regression Analysis - STAT 482 - Problem Set 6

  where Part (a) Write the model using matrix notation. The model may be written as where Y = Y_n X = 1 & x_n

• Regression Analysis - STAT 482 - Problem Set 7

  Refer to the data from Exercise 6.15. Problem 1 Explain what type of effect is being tested here. t_3^* &= -1.897.

• Regression Analysis - STAT 482 - Problem Set 9

  A router is used to cut locating notches on a circuit board. > The vibration level is considered to be an important characteristic of the