Lesson 9: Review for Exam 2

September 28, 2026

  • Exam 2 on Wed 30 Sep
  • Tutoring available
    • Caleb 11-12:30 Tue (tomorrow) in Tutoring Room
  • Exam format
    • No phones, laptops, tablets, watches
    • No leaving the classroom during the exam
    • Bring a Z-table
    • You may bring a 1-page “cheat sheet”
      • Side 1 – any helpful content you’d like
      • Side 2 – leave blank
    • No “sharing” with your neighbor
  • Primary Review Topics
    • Normal Distribution
      • Standard Normal
      • Z-Scores
      • Z-table
    • Normal Curve problems
      • “Less than”
      • “Greater than”
      • “Between”
      • Inverse or Reverse look-up (solve for X instead of Z)
  • Previous Topics are Fair Game
    • Data distributions
      • Stemplots
      • Histograms
    • Measures of Central Tendency
      • Mean
      • Median
      • Percentiles, Quartiles
      • 5-number summary
      • Boxplots
    • Measure of spread/variability
      • Variance
      • Standard Deviation

Activity:

Assignment:

  • Study for Exam 1

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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