Update mod2_new.csv

Removed incorrect instructions that asked user to separate answers with a comma when, instead, a number response to a mult_question is needed.

"| When looking at the box plot, which car types appear to have outliers? ~~Separate your answers with a comma.~~


1: small, midsize
2: small, midsize, large
3: small, large
4: midsize, large"
Merge pull request #64 from justinpwilliams/patch-2

Update mod2_new.csv. Thanks, Justin.
Merge branch 'master' into snapshots