Statistics Assignment: Australian Exports Analysis, Analysis of Sales, Estimation and Testing Significance Level

This document contains solutions for three different Statistics assignments. The first assignment involves analyzing Australian exports in 2004-05 and 2014-15. The second assignment focuses on analyzing the sales of a product using frequency distribution and relative frequency distribution. The third assignment involves estimation and testing significance level using linear regression analysis. The document provides step-by-step solutions and interpretations for each assignment.