Trying to find a binomial relationship between avg_sample and titr_value , using R , then plot a line graph using ggplot

Question

avg_sample titr_value 15.15 700000 16.75 430000 17.65 70000 19.3 43000 21.85 7000 22.85 4300 24.475 700 26.57 430 27.505 70 29.65 43 2