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>.
<br /> &nbsp;A: <br /> Adam Osborne invented the laptop <br /> There were many engineering refinements to the laptop concept, however .... <br /><br /> The <b>Dynabook</b> concept was created by Alan Kay in 1968, two years before the founding of Xerox PARC.