he data were obtained from the Center for Disease Control and Prevention on February 15th, 2022 and consists of the percent of vaccinated individuals and the 7-day Covid-19 death rate per 100,000 for each state (including DC). a) Calculate the mean vaccination percentage for the states. b) Is the quantity calculated in part (a) the vaccination percentage for the United States? 50 60.8 59.8 53.3 70.1 69 77.5 67.3 71.1 65.7 53.4 76.9 52.9 67.1 53.9 60.9 59.9 56.3 52.4 78.2 73.7 77.4 59 67.9 50.7 54.9 55.8 62.3 59.5 69.6 74 69.3 75.2 59.1 54.3 57.4 55.8 68.5 66.7 80.3 55.5 59.7 53.4 59.7 63.1 80 71.7 71.2 56.6 64.4 50.5