To test the significance of this regression line, is it necessary to perform any additional tests other than those in Problem 11.20? If so, perform them.

Cancer

The following statistics are taken from an article by Burch relating 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.

 

Table 11.19: Cigarette consumption and lungcancer mortality in England and Wales, 1930ˆ’1969

Transcribed Image Text:

Σχ-2.38, Σ1.310, Σ--15.55, i=1 i=1 i=1 Σ-30.708 , ΣΧγ--4.125 i=1 i=1 log., annual cigarette consumption (Ib/ person), x log,, mortality (over 5 years), y Period 1930–1934 -2.35 -0.26 1935–1939 -2.20 -0.03 1940–1944 -2.12 0.30 1945–1949 -1.95 0.37 1950–1954 -1.85 0.40 1955–1959 -1.80 0.50 1960–1964 -1.70 0.55 1965–1969 -1.58 0.55