8. Some claim the final hours aboard the RMS Titanic were marked by class warfare; others claim it was characterized by male chivalry. The data frame TITANIC3 from the PASWR2 package contains information pertaining to class status (pclass), survival of passengers (survived), and gender (sex), to name but a few. Based on the information in TITANIC3: (a) Determine the fraction of survivors (survived) according to class (pclass). (b) Compute the fraction of survivors according to class and gender. Did men in first class or women in third class have a higher survival rate? Chapter 2: Exploring Data (c) How would you characterize the distribution of age? 197 (d) Were the median and mean ages for females who survived higher or lower than for fe- males who did not survive? Report the median and mean ages as well as an appropriate measure of spread for each statistic. (e) Were the median and mean ages for males who survived higher or lower than for males I who did not survive? Report the median and mean ages as well as an appropriate measure of spread for each statistic. (f) What was the age of the youngest female in first class who survived? (g) Do the data suggest class warfare, male chivalry, or some combination of both char- acterized the final hours aboard the Titanic? Feel free to explore other relationships based on the numbers in TITANIC3 in answering this question. from the PASWR2 package, which contains the numbers of Justs (deaths), and