Question

800 o US states with weighted linear it (from Kaplan et al, 1905) -- Canadian provinces with weighted linear fii (slope not significant Rate per 100 000 population 675 40 mg BC oon Og 550 425 PE sod NHNS MNO MB - NB ND ON BC SK AB 300 0.18 0.20 0.22 0.24 Median share of incon The results from the graph above are likely to have come from which study design? Experimental study Case control study Cohort study Ecologic study

Answer 1

The graph likely to have come from ecologic study design that is mentioned above in the graph .