book : Business Statistics: Communicating with Numbers, 2nd Edition by Alison Kelly, Sanjiv Jaggia, ISBN-13: 9780078020551. Homework 4 Q1. Business Statistics, Ch 7: Exercise 7.1 (pg236) Problem 3 Q2-5. Business Statistics, Ch 7: Exercise 7.2 (pg242) Problem 7, 11, 13,