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, 15

Q6-10. Business Statistics, Ch 8: Exercise 8.1 (pg276) Problem 3, 4, 7, 9, 10