January 2017
Beginner
882 pages
203h 41m
English
If someone tells you the mean and SD of a variable, what had you better find out before trying to use the Empirical Rule?
Another approach to working with skewed data is to remove the extreme values and work with those that remain. Does this approach work? Remove the top 5 or 10 compensations from these salaries. Does the skewness persist? What if you remove more?
You will often run into natural logs (logs to base e, sometimes written ln) rather than base-10 logs. These are more similar than you might expect. In particular, what is the association between log10 compensation and loge compensation? What does the strength of the association tell you?
Calculate the log10 of net revenue for these companies and find the mean ...