a pharmaceutical company anounces that it has a powerful new nutritional supplement that reduces the symptoms of the common cold. the company includes these statements to support its claim: users reported their cold symptoms lasted an average of 2 fewer days than their previous colds. a group of users' colds lasted 5 fewers days than a group of non-users' colds. evaluate the pharmaceutical company's point of view, reasooning, and misue of statistics. justify your evaluation by providing alternative explanations for the statistical results.