7.17 Import the data set Olympics2012 (see Exercise 10). We will investi gate the weights of the female athletes in the sample. a) Begin with an exploratory plot of the data. What do you observe? b) Find a 95% t confidence interval for the mean population weight w. c) Remove the outlier and find the 95% t confidence interval for th mean population weight w. Did this change much? This requires R coding software to solve for the three parts