No, by golly, a thousand times no, it must be one or the other. It can't be both. Either it's a meaningless fluctuation, or it is a trend you are sorry to see. You cannot have it both ways.
...His statement reflects the sort of thinking one might expect a highly trained educator to recognize and avoid -- unless, that is, his language skills are deficient. H'mm. I do believe I'm starting to see a connection here, Watson.