PSY 511 Study Guide - Quiz Guide: Null Hypothesis, Phi Coefficient, Analysis Of Variance
4 Jul 2016
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> the critical value also increases: a researcher obtains a negative value for chi-square statistic. > there is a good t between the sample data and the null hypothesis: for a xed level of signi cance, the critical value for chi-square will ____. > increase as the df value increases: ten years ago, only 15% of the u. s. population consisted of people more than. A researcher plans to use a sample of n = 300 people to determine whether the population distribution has changed during the past ten years. > 45: a chi-square test for goodness of t has df = 2. > 3: a sample of n = 100 people is classi ed into four categories. > 3: a researcher used a sample of n = 60 individuals to determine whether there are any preferences among four brands of pizza. Each individual tastes all four brands and selects his/her favourite.
