Temperature in Celsius (x XXXXXXXXXX XXXXXXXXXX Life time in Hours (y XXXXXXXXXX XXXXXXXXXX a. Compute the linear correlation coefficient for this data set. b. Find the percentage variation in the...

Temperature in Celsius (x) 10 20 30 40 50 60 70 80 90 Life time in Hours (y) 420 365 285 220 176 117 69 34 5 a. Compute the linear correlation coefficient for this data set. b. Find the percentage variation in the Life time that is explained by the Temperature. c. Test the null and alternative hypotheses to see whether there is a significant linear relationship between the two variables using a significance level of 0.05. d. Fit the regression equation of Life time (y) on Temperature (x) e. Estimate the Life time when the Temperature is 25 Celsius.