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answered Year 2016 2017 2018 2019 2020 Marked out of 4.00 Flag question Sales (in Million) 10 11 13 Using Least Square Method, Compute the following requirements: 1. Find out the value of Ey and Exy 50:10 None of these 50;13 5:13 2. Calculate the value of a and b. 2. Calculate the value of a and b. None of these 2.6; 1.3 5: 1.3 What is the trend value for the 10:13 3 3. What is the trend value for the year 2018 y= 10 None of these y=12.6 What is the trend value for the year 2019 y= 8.7 4. 4. What is the trend value for the year 2019 y=11.3 y= 10 None of these y= 8.7