Cancer The following statistics are taken from an article by Burch relat- ing cigarette smoking to lung cancer [13]. The article presents data relating mortality from lung cancer to average cigarette consumption (lb/person) for females in England and Wales over a 40-year period. The data are given in Table 11.19. 8 x 2.38, x 1.310, y - 15.55, = i=1 y = 30.708, , = -4.125 TABLE 11.19 Cigarette consumption and lung- cancer mortality in England and Wales, 1930-1969 Period 1930-1934 1935-1939 1940-1944 1945-1949 1950-1954 1955-1959 1960-1964 1965-1969 log, mortality (over 5 years), y -2.35 -2.20 -2.12 -1.95 -1.85 -1.80 -1.70 -1.58 log, annual cigarette consumption (lb/person), x -0.26 -0.03 0.30 0.37 0.40 0.50 0.55 0.55 Source: Based on the Journal of the Royal Statistical Society. A., 141, 437-477, 1978. 11.19 Compute the correlation between 5-year lung- cancer mortality and annual cigarette consumption when each is expressed in the log, scale.