What is the full form of RJ 45​

Some of the first computer games were created in the early 1970s by college students experimenting after hours to see what the were capable of doing.

State 7 common key's for every keyboard

An environmental protection agency study of 12 automobiles revealed a correlation of 0.47 between engine size and emissions. at 0.01 significance level, can we conclude that there is a positive association between the variables? what is the p value? interpret.