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>.
Its construction began in 1943 and was not completed until 1946. The ENIAC occupied about 1,800 square feet, used 17,468 vacuum tubes, 15,000 relays, used a teletype, weighed almost 50 tons, uses 200 kilowatts of electricity, and cost about $500,000.