The table below shows the percentage of the population fully vaccinated against COVID 19 as of June 23, 2021 in seven Georgia Counties (in the West Georgia region). It also shows the total number of individuals hospitalized in the same counties. Fully vaccinated Hospitalizations Carroll 26% 319 Coweta 31% 402 Douglas 31% 914 Haralson 24% 79 Heard 19% 49 Paulding 27% 445 Polk 20% 381 Run a regression in which Hospitalizations is the dependent or response variable and Fully Vaccinated is the explanatory variable. How many observations are there in the regression