The following table shows the value of imports (7) the level of GNP (X)) measured in Rs. in lakhs and the price index of imported goods (X₁) over the 12 years for a certain country. 2008 2009 2011 2012 2013 2014 2015 57 43 64 48 56 50 220 215 305 258 354 321 125 147 128 149 145 150 Y : X₁ x₂ = 2010 73 2017 43 375 250 118 37 241 100 2016 2018 2019 Y: 39 69 60 X₁: 370 385 385 X₂ : 140 115 155 152 (i) Estimate the regression equation and what are the economic meaning of your estimates? (ii) Compute R² and adjusted R2.

Which of the following sets of data represent valid functions? OS = {(0, – 1), (3, 1), (6, 4), (7, 9), (13, 14)} || OF = {(- 3, – 2), (1, 2), (1, 4), (8, 9), (13, 15)} OR = {(-1, - 2), (2, 1), (4, 5), ( – 1, – 2), (10, 13)} | OG = {(- 4, - 5), (2, 3), (4, 5), (9, 8), (14, 10)} Calculator Check Answer MacBook Air

An economist at Nedbank ran a study of the relationship between FTSE/JSE All Shares index return (JALSH) and consumer price index (CPI) from 2006 to 2017, the data collected is shown in the Table 1 below.  FTSE/JSE All Shares index return (JALSH) and consumer price index (CPI) from 2006 to 2017.    Year     JALSH (Y)     CPI (X)       2006     0.41     4.7       2007     0.19     7.1       2008     -0.23     11.5       2009     0.32     7.1       2010     0.19     4.3       2011     0.03     5.0       2012     0.27     5.6       2013     0.21     5.7       2014     0.11     6.1       2015     0.05     4.6       2016     0.00     6.4       2017     0.21     5.3       The estimated regression…