Lesson 11

February 25, 2015

Wed, Feb 25

Review:

  • Multiple Regression in Excel, Google Sheets

Presentation:

  • t-test: significance of regression coefficients
  • F-test: significance of overall model

Assignment:

  • Read Section 12.7 p. 495-500 Test of Slope and Test of Overall Model (Simple Regression)
  • Read Section 13.2 p. 531-533 Significance tests for Overall Model and Regression Coefficients
  • Calculate the t test of slope and F-test of Overall Model for the 3 linear regression models produced in Exam 1, part 1 (i.e., calculate t and F for the Americas, EMEA, and AsiaPac models)
  • Determine the t test statistics for each coefficient in the Database problems assigned in Lesson 10.
  • Determine the F-statistic for each model produced in the Database problems assigned in Lesson 10.

 

Justin

Justin Holman is CEO of Aftermarket Analytics, where he leads efforts to develop cutting edge sales forecasting and inventory optimization technology for the Automotive Aftermarket. Prior to joining Aftermarket Analytics, Justin managed corporate consulting for the Strategy & Analytics division at MapInfo Corporation, leading major projects for retail clients including The Home Depot, Darden Restaurants, Bridgestone-Firestone, Sainsbury’s and New York & Company. Before that, Justin served as Vice President of Software Development at LogicTools, now part of IBM's supply chain application software group. Justin holds a B.A. from Claremont McKenna College, a Ph.D. from the University of Oregon and an Executive Management certificate from Northwestern University's Kellogg School of Management.

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