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Clyde OliverU.S.
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I can answer all questions up to, and including, graduate level mathematics. I do not have expertise in statistics (I can answer questions about the mathematical foundations of statistics). I am very much proficient in probability. I am not inclined to answer questions that appear to be homework, nor questions that are not meaningful or advanced in any way. 
The leastsquares method can be used to produce a lineofbestfit for a set of data. If you are given a line that is a potential best fit, you would find the residual at each data point (the height from
This is actually a very tricky question, so let's start with an easier version. Let's roll a 4sided die (labeled A, B, C, D) 10 times. Say we want to figure out the probability of getting all four
This is a very basic, standard concept. Here's how it works: First, if you did this one time, the probability of guessing it right is one in five. We will call that "p"  so we say p=1/5. And