Correlation, Applied Statistics

Definition of Correlation

According  to prof, king correlation means that between two series or group  of data  there  exists  some casual connection  prof, king  has also  explained,  If it is proved true that in a large number of instances two variables tend always to fluctuate in the same or in opposite direction, we  consider that the fact  is established that a relationship  exists. This relationship is called correlation.

According to Boddington, Whenever  some definite connections exist between the two or more group. Classes or series of data, there is said to be correlation.

E . Davenport has expressed his views as, the whole subject of correlation refers to the inter relation between separate character by which they tend in some degree, at least, to move together. Thus two or more variables are said to be correlated if the change in one variable result or associated with a corresponding changes in other variable.

Posted Date: 9/27/2012 6:17:05 AM | Location : United States







Related Discussions:- Correlation, Assignment Help, Ask Question on Correlation, Get Answer, Expert's Help, Correlation Discussions

Write discussion on Correlation
Your posts are moderated
Related Questions
Problem: A survey usually originates when an individual or an institution is confronted with an information need and the existing data are  insufficient. Planning the questionn

We are interested in assessing the effects of temperature (low, medium, and high) and technical configuration on the amount of waste output for a manufacturing plant. Suppose that

Methods of Forecasting  Various techniques which are generally used in business forecasting are as under: 1.      Forecasting  through the opinion of heads  of department

Weighted Harmonic Mean Weighted Harmonic Mean is calculated with the help of the following formula: WHM Case

for this proportion, use the +-2 rule of thumb to determine the 95 percent confidence interval. when asked if they are satisfied with their financial situation, .29 said "very sat

The project of building a backyard swimming pool consists of eight major activities and has to be completed within 19 weeks. The activities and related data are given in the follow

Meaning of Interpolation and Extrapolation Interpolation is a method of estimating the most probable  missing figure on  the basis of given data under certain assumptions. On t

Calculation of Degrees of Freedom First we look at how to calculate the number of DOF for the numerator. In the numerator since we calculate the variance from the sample means,

Do people of different age groups differ in their response to e-mail messages? A survey by the Cent of the Digital Future of the University of Southern California reported that 70.

Regression Lines It has already been discussed that there are two regression lines and they show mutual relationship between two variable . The regression line Yon X gives   th