Which of the following methods is used by the analyst to decide if a particular variable needs to be retained in the sample during the sampling process?
A) Descriptive statistics and data visualization
B) Regression
C) Outlier analysis
D) Data Testing

Question

Quizplus · Accepted Answer

When obtaining a representative sample, it is also important not to carelessly discard variables from consideration. It is generally best to include as many variables as possible in the sample. After exploring the data with descriptive statistics and visualization, the analyst can eliminate variables that are not of interest.

Which of the Following Methods Is Used by the Analyst