discuss some ways that the concepts of covariance and correlation are similar or different. in particular, how does the notion of variance provide a special case for the concept of covariance?

Cynthia writes computer programs for mobile phones and has received five job offers in the last week this is most likely because everfi

Agraduate student wants to examine the effect of print media versus televised media on individuals’ position on several social issues. the superintendent of a local work release facility, a family friend, will allow the graduate student access to the prison population to her quickly accrue subjects. the student’s irb should: approve this project since the risk appears to be no > minimal.not approve this project because the prisoners are merely a population of convenience for the student.approve this project since the superintendent is the ultimate authority on what happens in his facility.approve this project but submit it for federal review.

When zhang qin went to explore west, he brought back stories of