SOL-140  #2 Incorrect Answer

The answer in SOL-140 Number 2 should be "Sampling with replacement".  If you sample with replacement the samples should be independent and have zero covariance.  This is backed up by the content at [this page](https://web.ma.utexas.edu/users/parker/sampling/repl.htm#:~:text=When%20we%20sample%20without%20replacement,different%20from%20sampling%20without%20replacement.). 