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inferential vs. descriptive inferential descriptive central tendency spread symmetry distribution moments difference relationship goodness of fit (2) independent variable nature of the data range select - run - interpret scaled ordinal nominal independent variables levels of iv anova t-test romanticism spirituality inferential versus descriptive relationship covariates variables of interest relationship nature of data levels anova vs t-test t test and anova inferencial descriptiva diferencia relacion bondad de ajuste variables de interes variable dependient datos ordinales y escalados difference relationship goodness of fit factorial anova single sample t quick reminder arbitrary or causal relationship inferential descriptive inferring describing decision based learning dichotomous or scaled skewed less than 30 (ties) skewed sample size less than 30 ordinal (ties) practice distributions normal non normal ordinal and nominal c classify stat problems dependent variables central tendency - spread - symmetry central spread - symmetry normal or skewed distributions (descriptive one normal or skewed distributions (descriptive both2) range standard deviation iqr mean select - run - interpret standard deviation select - run - interpret levels of the iv interquartile range select - run - interpret iq range select - run - interpret independent samples t test - run select interpret nature of the data (descriptive) predictive or arbitrary dependent variable independent variables ( variables explicativas variables independientes niveles de la variable explicativa diferencia entre anova e prueba de t categorizing stats questions number of variables (predictive) mode mean median and mode nature of the data (spread) inferential statistics descriptive statistics when to use differentiating statistical methods data types types of data normal versus skewed distributions normal or skewed distributions (descriptive two normal or skewed distributions (inferential) infernetial vs desctiptive (jejit + indepth)