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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
One sided or two? In each of the following situations, is the alternative hypothesis one-sided or two-sided? What are the hypotheses?
a) A business student conducts a taste test to see whether students prefer Diet Coke or Diet Pepsi.
b) PepsiCo recently reformulated Diet Pepsi in an attempt to appeal to teenagers. They run a taste test to see if the new formula appeals to teenagers more than the standard formula.
c) A budget override in a small town requires a twothirds majority to pass. A local newspaper conducts a poll to see if there’s evidence it will pass.
d) One financial theory states that the stock market will go up or down with equal probability. A student collects data over several years to test the theory.
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