Does your doctor know? A survey8 of articles from the New England Journal of Medicine (NEJM) classi-fied them according to the principal statistics methods used. The articles recorded were all noneditorial articlesappearing during the indicated years. Let’s just look atwhether these articles used statistics at all.Has there been a change in the use of Statistics?a) What kind of test would be appropriate?b) State the null and alternative hypotheses. Publication Year1978–79 1989 2004–05 TotalNo stats 90 14 40 144Stats 242 101 271 614Total 332 115 311 758

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