Deletion of Patterns in multiple-choice tests

Comment: Unsourced, appears to violate 
Stance: delete
Cited policy: Wikipedia:No original research (WP:OR)

Comment: Could not find any , fail  and . i agree that some of this info (if sources found) should be merged with other statistical articles
Stance: delete
Cited policy: Wikipedia:Reliable sources (WP:RS||WP:OR||WP:N)