Assignment 1: Discussion You are working with a company selling building material to builders. You predict the quarterly purchases of customers based on their current purchases by using a linear regression model. These predictions, however, are not very accurate. Discuss at least three reasons why these predictions may not be accurate and offer three ways in which you can increase the likelihood of accurately predicting your customers? purchases. Post your response to the Discussion Area by Saturday, August 13, 2011. Assignment 2: Regression Analysis By Monday, August 15, 2011 post to the W7: Assignment 2 Dropbox your solution to the following problem: You are a manager with Appetizer. The company owns a chain of restaurants in the United States. Appetizer is looking for an opportunity to expand. As part of a market analysis, you have to send a two-page handout in a Word document to the COO of the company, exploring the relationship between the expenditure by people on purchasing food from stores and their expenditure in restaurants. Using the data provided in the Doc Sharing area: Calculate the least squares regression line taking food store expenditure as the independent variable and restaurant expenditure as the dependent variable. Calculate a point estimate and a confidence interval for the restaurant expenditure by people in a state whose food store expenditure is $5 billion. Support your handout with a two-page summary, recommending in which areas Appetizer should open its new restaurant. Create your summary in a Word document. You may use bullet points in your summary. Submit your handout and summary to the M7: Assignment 2 Dropbox. Assignment 2: Controls As a quality analyst you are also responsible for controlling the weight of a box of cereal. The Operations Manager asks you to identify the ways in which statistical quality control methods can be applied to the weights of the boxes. Provide your recommendations to the Operations Manager in a two-page report. Using the data provided in the Doc Sharing area, create Xbar and R charts. Your report should indicate the following along with valid justifications of your answers: The control limits of the weights of the boxes. Nonrandom patterns or trends, if any. If the process is in control. The appropriate action if the process is not in control. Submit your handout and summary to the M8: Assignment 2 Dropbox by Friday, August 19, 2011. I have attached a worksheet that goes with M7 A2 which is the second Assignment in the questions box that is due 08/15/2011. I have given you information on three assignments with three different due dates. Please can you help me? Thank you.
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