What and Why? Chi-Square Independence Test – What Is It? Null Hypothesis Assumptions Test Statistic Effect Size Reporting Chi-Square Independence Test – What Is It? The chi-square independence test is a procedure for testing if two categorical variables are related in some population.Example: a scientist wants to know if education level and marital status are […]
Null Hypothesis Assumptions Chi-Square Independence Test in SPSS Output Reporting Null Hypothesis Chi-Square Independence Test A chi-square independence test evaluates if two categorical variables are associated in some population. We’ll therefore try to refute the null hypothesis that two categorical variables are (perfectly) independent in some population.If this is true and we draw a sample from this population, then we […]
SPSS one-sample chi-square test is used to test whether a single categorical variable follows a hypothesized population distribution. SPSS One-Sample Chi-Square Test Example A marketeer believes that 4 smartphone brands are equally attractive. He asks 43 people which brand they prefer, resulting in brands.sav. If the brands are really equally attractive, each brand should be chosen by roughly […]
