Answer:
Pascaline, also called Arithmetic Machine, the first calculator or adding machine to be produced in any quantity and actually used. The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644.
Explanation: hope that helps
Answer:
Codecademy. Codecademy is one of the most popular free coding websites for beginners.
freeCodeCamp.
Coursera.
edX.
Codewars. ..
Code Conquest. .
GA Dash. .
Khan Academy (highly recommed)
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Answer:
Cross Sectional Data.
Explanation:
Cross-sectional data:- These are the observations that are made at the same point in the defined time period. These observations could be on a single day or these observations can also be for a week, month, year.
So the case provided to us is the data for a season of NFL that was from 2011-2012 season.So we can say that the data is cross-sectional.
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