Saturday
September 20, 2014

Posts by Stats


Total # Posts: 4

Statistics
They are all wrong.
March 15, 2013

adult education
You are a share analyst for an investment firm and are investigating the return on shares in the Mean Corporation over the last four years. The return on Mean Corporation shares over the last four years is presented. Calculate the geometric mean rate of return (R) on Mean ...
October 2, 2010

statistics
Suppose that one in every 100 people in a certain community is infected with HIV. You want to indentify an HIV-positive person to include inn a study of an experimental new drug. How many indiviuals would you expect to have to interview in order to find the first person who is...
February 10, 2010

statistics
What does the area corresponding to the critical value zcrt mean? There is a graph that has a normal bell shape curve that has a vertical arrow that intersects the x axis far from the y axis. then everything to the left of the the vertical arrow is colored in blue. The ...
March 26, 2008

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