What is dispersion?
The term dispersion refers to the scattering of scores about the measures of central tendency. It is used to measure the extent to which individual items or numerical data tend to vary or spread about an average value. Thus the dispersion is the degree of spread or scatter or variations of measures about a central value.
Define Correlation.
What is perfect correlation?
What is the maximum extent of correlation?
What is perfect correlation ?
Explain relative position of mean, median and mode in a normal distribution and skewed distribution with the help of diagram.
Comment on the applicability of mean, median and mode.
Explain the process of computing Standard Deviation with the help of an imaginary example.
Which measures of dispersion is the most unstable statistic and why?
Write a detailed note on the degree of correlation.
What are various steps for the calculation of rank order correlation?
Mock Test Series
