A B AVERAGE WEEKLY HOUSEHOLD SPENDING ON GOODS AND SERVICE 3/], Australia, 1984 to 2015-16 Private Dwelling Investment* Chain volume, quarterly LINE S 24 18 18 12 12 1990 1995 2000 2005 2010 2015 2020 Reference year is 2017/18 Source: ABS C D a. Survival rates of wars Unemployment Rate in Australia 1.0 0.8 0.6 Survival rates 0.4 EEEE 0.2 10 20 30 Years since war onset No foreign intervention - Foreign interventionFor the seven question parts that follow, choose the time series which is the best example of its type, or is the most apppriate. If none is appropriate, enter the letter X. i. Exhibits no linear trend component ii. Regular cycles are apparent iii. Trend is the main apparent component iv. Negatively correlated with time v. Quadratic model is appropriate vi. R2 is approaching 100% vii. Displays quarterly seasonal effects Question 25 (3 points) Given below are the average prices (35) for two types of energy products in Australia from 2016 to 2020. Year Electricity per kWh Fuel Oil per litre 2016 21.105 0.181 2017 22.909 0.187 2018 23.202 0.199 2019 24.814 0.209 2020 25.485 0.219 i. Calculate and interpret the simple price index for electricity in 2020 using 2016 as the base yearlYou must show your workings). ii. Calculate and interpret the unweighted price index for the group of two energy items in 2020 using 2018 as the base year (You must show your workings). Answer Part i [3 marks) in the box below Question 26 (3 points) Answer Part ii (3 marks) in the box below