11) (32 pts) Properly state the average values and their uncertainties. a) 6 analyses, average value: 42.3393 cm, standard deviation: 0.0238 cm b) 5 analyses, average value: 8.02334 x 10-2 g, standard deviation: .000492 g c) 5 analyses, average value: 1.98453 x 106 mg, standard deviation: 7.631 x 104 mg d) 7 analyses, average = 88.5125 x 104 g iron. The 95% confidence interval about the mean is comprised of the average plus or minus 33.0 x 102 g iron