Fit a Poisson regression model using the cancer count data from Table 8.1. Include the covariates median age and location and an interaction term for age by location.
Table 8.1 Cancer cases and cancer incidence rates (CIR) by age group for the Bartlett€“Green Acres neighborhood of Randolph (BGA), 1964€“1984, and similar data from the Connecticut Tumor Registry (CTR), 1980€“1984.

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Location BGA BGA BGA BGA BGA Overall Cases Person-Years CIR Age Group Median Age 14,489 5,431 1,682 3,398 27.6 17-43 460.31 44-59 60-64 353.265-79 30.0 51.5 62.0 72.0 475.7 49 752 2,422 1,612 5,465 25,000 19.6 17-43 467.91 44-59 156,670 1028.9 60-64 285,798 1912.2 65-79 839,007.5 89.6 517,613 30.0 51.5 62.0 72.0 CTR Over 10,251,799,088.5 569.8