Central Queensland University STAT20029 Assignment 2: Statistics

This assignment solution for STAT20029, Statistics for Managerial Decisions, covers several statistical concepts. Question 1 analyzes the share prices of Sydney Airport and Atlas Arteria, including stem plots and market outlooks. Question 2 examines household appliance energy consumption and costs. Question 3 explores taxation revenue and grant probabilities. Question 4 analyzes weekly rainfall data, calculating means and probabilities. Question 5 delves into spam email detection using various variables and confidence intervals. The assignment incorporates data analysis, probability calculations, and interpretation of statistical results, providing a comprehensive overview of statistical techniques applied to real-world scenarios.