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it was a question on regression and were asked which test to use , and the answer is T test coz in single regression v use T test Can sumone tell me wht was the answer for Rating Sum , A+, A-, B+, B-?

hi everyone i think this paper was easier than nov 2011 paper. this time there were to many direct questions but few were very difficult. i got a set of paper wherein first 50 question were difficult one n it took too much of time and thn was in hurry to finish the paper , this exam really test...