please solve these question without using excel

a No. 2 An investigator collected the following data with respect to the Corona virus cases and death in the United State America. The results are shown in following table Date America Corona Cases Death 1-Jun-20 22153 730 31-May-20 20350 638 30-May-20 23290 1015 29-May-20 25069 1212 28-May-20 22658 1223 27-May-20 20546 1535 26-May-20 20121 1432 a- Plot scatter diagram between Corona cases and death. b- Find the regression equation of death to Corona cases. on No. 3 You are given below the following information about the Corona virus cases and death in Pakistan Assuming that both Corona virus cases and death are approximately normal, test at a 0.05 level of significance the null hypothesis that there is no correlation between them. Date Pakistan Corona Cases Death 2-Jun-20 3838 78 1-Jun-20 2694 60 31-May-20 3039 30-May-20 2429 78 29-May-20 2801 57 28-May-20 2076 35 27-May-20 1446 28 26-May-20 1356 30