MKT 317 Lecture Notes - Lecture 1: Null Hypothesis, Graduate Management Admission Test, Statistical Hypothesis Testing
Document Summary
A hypothesis is a statement that specifies some testable relationship among variables. A statement of no different, no effect, no relationship, or independence among the variables. A statement in which a difference effect, relationships, or dependence is expected. Some form of equality always goes in the null. Hypotheses are always stated in population parameter (greek letter), not sample statistics (english letter) Identify the specific claim or hypothesis to be tested and put it into symbolic form. Give the symbolic form of the claim that must be true when the original claim is false. Of the two symbolic expression obtained so far, let the null hypothesis(h0) be the one that contains some form of equality(=,<=,>=). The other symbolic expression become the alternative hypothesis. (h1) Company xyz will introduce a new product nationally if test mkt results indicate more than a 20% market share. Msu claims that the average gmat score for entering mbas in 2012 is 640.
