Thomas J. Quirk is Professor of Marketing in the Walker School of Business and Technology at Webster University in St. Louis, Missouri, where he teaches Marketing Statistics, Marketing Research, and Pricing Strategies. He holds both an M.A. in Education and a Ph.D. in Educational Psychology from Stanford University, a B.S. in Mathematics from John Carroll University, and an M.B.A. from the University of Missouri-St. Louis. He researched full-time for six years at the American Institutes for Research in Palo, Alto, California, and the Educational Testing Service in Princeton, New Jersey. He has published over 20 articles in professional journals, and presented more than 20 papers at professional conferences. Professor Quirk has published over 30 statistics book with Springer, covering twelve subject areas (business, education, psychology, social science, biological and life sciences, physical sciences, engineering, human resource management, health services management, environmental sciences, and marketing) using four versions of Excel (2007, 2010, 2013, 2016). Eric Rhiney is Associate Professor of Marketing in the George Herbert Walker School of Business & Technology at Webster University in St. Louis, Missouri (US) where he teaches Research Design, Marketing Research and Marketing Strategies. He did marketing research professionally for over ten years engaging in research for companies such as Pizza Hut, Monsanto, Chrysler and Hardee’s. He is involved in several quantitative research studies focused on in-group out-group orientation on consumer attitudes, digital marketing behavior, and cross-cultural marketing and has presented is work at a number of conferences, including The American Marketing Association, the International Business Association, and the Marketing Management Association and the University of Missouri-St. Louis Digital Marketing Conference.