The correlation coefficient is a measure that determines the direction and strength of the relationship between the two variables. The symbols r and Ï represent correspondingly the correlation coefficient of sample and population data. The value of correlation coefficient ranges from -1 to 1 both inclusive.
ENIAC was built in the Moore School of Electrical Engineering of the University of Penn. Designed and built under the supervision of John Mauchly and J. Presper Eckert. ENIAC was built in the Moore School of Electrical Engineering of the University of Penn. Designed and built under the supervision of <b>John Mauchly and J. Presper Eckert</b>.
A few of these people pre-date the invention of the digital computer; they are now regarded as computer scientists because their work can be seen as leading to the invention of the computer. John Mauchly (1907â1980) â designed ENIAC, first general-purpose electronic digital computer, as well as EDVAC, BINAC and UNIVAC I, the first commercial computer; worked with Jean Bartik on ENIAC and Grace Murray Hopper on UNIVAC. 2  John McCarthy â Lisp (programming language) , artificial intelligence. 3  Andrew McCallum.