urgent required

Q. No. 1. Fit a linear regression for the following data. X Cholesterol lev 130 133 137 140 145 150 154 el Y Blood pressure 145 147 150 155 160 164 165 Find the estimator regression equation and predict the blood pressure if one has 160 cholesterol I evel. Answer: Q. No.2. Find the Correlation coefficient between sugar level and exercise. X Walk in km 3 4 5 5.5 6 6.5 7.5 Y Sugar level 150 145 142 138 134 34 127 Find is there any correlation between exercise and sugar level. Answer: Q. No. 3. Caught covid-19 Vaccinated Not vaccinated 25 75 100 Not Caught covid-19 120 20 140 145 95 140 Test whether the two attributes vaccination and attack a covid-19 are independent