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Question: Multiply contents of vector to get expected value

Question:Multiply contents of vector to get expected value

brian bovril 894 Maple 2018
statistics finance vector
September 27 2019
0

Hi

This worksheet by Jason Schattman, I cant work out how he gets vector r, the expected value (in bold). I did ask him. Anybody shed any light?

I thought EV was calculated by averaging each stocks yearly returns. EV for Q[1] is (0.08-0.2+.05)/3   (<> 0.05)

Obviously i'm going to get a different r to him, but out of interest what maple commands do i need to convert Q into r using my method for EV?

portfoliooptimizati.mw

 
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