Data for Exercise 2.46 and 2.60
A data frame with 12 observations on three variables
a character variable with abbreviated months of the year
number of icebergs sighted south of Newfoundland
number of icebergs sighted south of Grand Banks
N. Shaw, Manual of Meteorology, Vol. 2 (London: Cambridge University Press 1942), 7; and F. Mosteller and J. Tukey, Data Analysis and Regression (Reading, MA: Addison - Wesley, 1977).
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.