Regression is defined as, “the measure of the average relationship between two or more variables in terms of the original units of the data”.
Karl Pearson’s Coefficient Method
Karl Pearson’s method of coefficient of correlation is also known as Pearsonian coefficient or correlation or product correlation method.
Scatter Diagram Method
Scatter Diagram Method is the simplest method of studying the correlation between two variables. In this method the values of one of
Correlation is a statistical tool used to study the relationship between two or more variables. Two variables are said to be correlated if the
Mean Deviation Definition
Mean deviation is defined as the mean of absolute deviations of the values from the central value.
For individual series:
Definition of Quartile Deviation
Quartile Deviation divides the total frequency in to four equal parts. The lower quartiles Q1 refers to the values of variates
Range is the simplest method of studying variation. It represents the differences between the values of the extremes. It is the difference between the
What is Standard Deviation?
Standard deviation is the root of sum of the squares of deviations divided by their numbers. It is also called ‘Mean
In the previous articles we studied about, the tendency of data to cluster around a figure which is in the central location, in following articles
Advantages and Disadvantages of Mean Median Mode
Here we will get to know about the advantages and disadvantages of mean median mode. Consider the disadvantages