The correlation coefficient, denoted by r, is a measure of the strength of the straight-line or linear relationship between two variables. The correlation coefficient takes on values ranging between +1 and -1. The following points are the accepted guidelines for interpreting the correlation coefficient: 1  0 indicates no linear relationship. + 2 1 indicates a perfect positive linear relationship: as one variable increases in its values, the other variable also increases in its values via an exact linear rule.
eBay Inc. is an American multinational corporation and e-commerce company, providing consumer to consumer & business to consumer sales services via Internet. It is headquartered in San Jose, California. eBay was founded by Pierre Omidyar in 1995, and became a notable success story of the dot-com bubble.
exists and is an alternate of . George Dayton took credit for but the real founder and genius behind the concept of discount retailing was John F. Geisse. Geisse had the idea, built it and was its first CEO. George Dayton took credit for but the real founder and genius behind the concept of discount retailing was John F. Geisse.