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You wish to estimate graphically the scatter points for the shares of TOP GLOW BERHAD (TGLOW) and PETRA BERHAD (PETR). It has gathered the return data shown in the following table for the market and over the last 5 years, 20162020. You have the following information about the returns for the shares of TGLOW and the PETR: YEAR (TIME) TGLOW (%) PETR (%) 2016 (1) 15.65 8.65 2017 (2) 18.25 9.55 2018 (3) 17.40 6.95 2019 (4) 21.75 10.50 2020 (5) 22.60 12.15 b) Calculate the expected return, variance and standard deviation for the stocks. (11 marks) 3