We might be able to understand your question if you used standard capitalization and punctuation.
To what does the third word, "it," refer?
in 2012 it accepted that 41% or less preferred diesel engine needs a high school statistics student studying a randomly selected group of 51 male found that 23 of them prefer diesel-powered vehicle is that student correct and claiming them that males more prefer diesel powered vehicle?
2 answers
Doesn't refer to nothing. The rest of the qustion is.. is the student correct in claiming that more males now prefer diesel than 2012.why?