Revert "Remove the part about the seed from the challenge."

This reverts commit e3f4421.

Author: jdblischak

analysis/challenge.Rmd

@@ -96,8 +96,9 @@ both the original and updated versions of the variable are defined in the curren
 R session, the code will continue to run. But when you or someone else tries to
 run the code in a clean R session, the code will unexpectedly fail.
 
-## Finshed?
+## Compare results
 
-Was your group able to reproduce the analysis? If yes, please exit the breakout
-room to rejoin the main room. This will help us know once all the groups have
-finished.
+Success! The analysis now runs. Compare your prediction results to that of your
+partners' and/or re-run the analysis again. Are the results always identical?
+Why not? What could you do if you wanted to publish these results and allow
+others to exactly reproduce your findings?