Unit 8: Inference for Categorical Data: Chi-Square

A family of distributions used for categorical data inference, always _____, ______________-skewed, and shaped by its degrees of freedom.

A parameter that determines the _____ of a Chi-Square distribution; as df increases, the distribution becomes less skewed.

A Chi-Square test used to compare an observed distribution of a _____ categorical variable to a hypothesized or expected distribution.

A Chi-Square test used to determine if the distribution of a categorical variable is the _____ across ______________, independent populations or groups.

A Chi-Square test used to determine if two categorical variables are _____ (or associated) within a ______________ random sample from a population.