Question

1. (10pts) The following are measuremes points around an industrial site. asuenets of soil concentrations (in ng/ke) of chromiun (Cr) at 66 68 72 73 74 74 76 78 so 80 84 87 Using the definitions from sampling statistics, (a) (3pts) Find the sample mean, a (b) (Its) Find the sample standard deviation, ơ (c) (2pts) Find the median (d) (2pts) Find the mode Opts) The pressure P, the temperature T, and the volume V of one mole of an ideal gs the equation PV = RT, where R = 831 J/mol-K. If P-242.22 ±0.03 kPa and V = 10 imate T and find the uncertainty

Answer 1