Chapter 4 Assignment 1) A Bank teller in Orange County Bank observed for 20 days made these overpayment errors while serving bank customers. The errors in dollars balances have been used to develop this sample frequency distribution: CLASS (S) FREQUENCY 5-11 12-18 19-25 -NWWOU 26-32 33-39 40-46 a) Compute the overpayment Sample mean amount b Calculate the overpayment Median amount C) Calculate Karl Pearson's Coefficient of Skewness Comment on the shape of the distribution based on your answer in part C. 2) From the following stem-and-leaf display, find the 1st quartile, the 2nd quartile (or median), the 3rd quartile, the interquartile range, and interpret the interquartile range result. What values will be considered outliers? 19 2012269 3 01234557889 4 2 6 501245789 659