.THERE IS minimal question concerning the very likely victor of Britain's standard political election on July fourth: along with a top of twenty amount factors in national viewpoint polls, the Work Celebration is very likely to succeed. But there is uncertainty about the size of Work's large number in Britain's 650-seat Home of Commons. Some polling firms have published seat predictions using a novel method known as multi-level regression as well as post-stratification (MRP). What are actually these surveys-- and also exactly how precise are they?