Useful tips for everyday
How do you calculate degrees of freedom for a path analysis? The degrees of freedom for the test of model fit will equal the total…
How large should a correlation be statistically significant? In most research the threshold to what we consider statistically significant is a p-value of 0.05 or…
Is the McNemar Bowker symmetry test reliable? For larger tables, McNemar’s test is generalized as the McNemar–Bowker symmetry test. One drawback to the latter test…
How do you use Boxplots to compare different sets of data? Guidelines for comparing boxplots Compare the respective medians, to compare location. Compare the interquartile…
What is a complete design? A completely randomized design (CRD) is one where the treatments are assigned completely at random so that each experimental unit…
Is ARIMA a forecasting model? An ARIMA model is a class of statistical models for analyzing and forecasting time series data. The use of differencing…
Is number of children categorical or quantitative? Number of children in a household is a quantitative variable because it has a numerical value with a…
What is categorical data in SPSS? Categorical. Data with a limited number of distinct values or categories (for example, gender or religion). Categorical variables can…
What is D in coefficient of correlation? n is the number of paired ranks and d is the difference between the paired ranks. If there…
How to simulate a multivariate linear model data? Simulate a univariate linear model data with 100 training samples and 500 test samples having 10 predictors…