I also guess that some people prefer using mean squared deviation as a name for variance because it is more descriptive -- you instantly know from the name what someone is talking about, while for understanding what variance is you need to know at least elementary statistics. Check the following threads to learn more:
Common Mistakes Believing that acceleration only means an increase in speed, rather than any change in velocity. Confusing speed with velocity, neglecting the directional component of velocity. Overlooking that deceleration is still a form of acceleration (negative acceleration). Failing to correctly apply the vector nature of velocity and acceleration in problem-solving.
The power generated by a wind generator is proportional to the cube of the wind velocity. This means that if the wind velocity doubles, the power generated will increase by a factor of 2^3 = 8.
By rooting (aka gaining admin rights to) your Samsung Galaxy S5, you can install a custom ROM, run rooted apps, undervolt or overclock the processor and even remove all the bloatware your carrier put on the phone. A popular programmer from the XDA developer forums named Chainfire has created an...
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