Questions with answers on Measures of Central Tendency

What is Arithmetic Mean, Geometric Mean and Harmonic Mean?
What are the difference between Median and Mode?
What are Quartiles and Percentiles?

Questions with answers on Measures of Variation

Explain the concepts of  Range, Mean Deviation and Standard Deviation.
What is Coefficient of Variation.

Questions with answers on Correlation and Regression

Explain Scatter Diagram and Coefficient of Correlation.
What are Karl Pearson’s and Spearman’s Rank Correlation?
What is Regression Analysis?
What are Regression Lines and Regression Coefficient?