Question 2 Scientists in Malaysia would like to establish the regression relationship between Covid-19 cases and the corresponding fatality rate due to the disease. They have collected the following data: Month Covid-19 cases, X (tested positive) Fatality cases, Y Jan-20 8 0 17 0 2741 3236 1817 43 59 13 6 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20 Jan-21 820 337 364 4 2 1884 9 20324 113 34149 111 111 47373 81539 168 a. Develop the simple linear regression formula for the situation above. Round up final answers to 4 decimal points. (4 marks) b. Estimate the number of fatality cases if the Covid-19 cases are estimated to hit 150,000 in March 2021. (1 mark) c. What is the number of fatality cases if the Covid-19 cases were 100? (1 mark) d. From answers in b and c, how well does the regression equation fit the data? (1 mark)