A PAPER on “The Degree of Accuracy of Statistical Data,” by Mr. Carl C. Engberg, has been published by the University of Nebraska. “This paper,” Mr. Engberg tells us, “is written as a protest against ...

MR. DINES'S question (NATURE, August 12, p. 644) as to the degree of significance to be attached to the amplitudes of waves of given period found in short series of observations and the likelihood of ...