QUESTION 5 A manufacturing company is looking to close one of two factories based on the amount of emissions. Do the factories emit the same amount of pollutants, on average? To test this, a random sample of 9 days were observed for Factory A and 10 days were observed for Factory B, and the emissions (in tons) were recorded. Output appears below. Independent Samples T-Test 95% Confidence Interval statistic df P Mean difference SE difference Lower Upper Emissions Student's t Welch's t -2.273 -2.335 17.000 0.036 14.793 0.034 -10.661 -10.661 4.690 4.565 -20.557 -0.766 -20.403 -0.919 To test whether the factories have the same average daily emissions, what is the null distribution (using the recommendations in lecture slides)? Ot with 14.793 degrees of freedom Binomial with n=9 and p=0.5 O N(0, 1) O F with 14.793 and 17 degrees of freedom