Solve manually. *Do not use Excel* The result below gives the amount (mg/mL) of ephedrine hydrochloride found in pharmaceutical preparations of Ephedrine Elixir B.P. by two different methods: derivative ultraviolet spectroscopy and an official assay method (the nominal amount in each sample was 3 mg/mL). Test whether the results obtained by the two methods differ significantly. Sample Derivative Official 1 2.964 2.913 2 3.030 3.000 3 2.994 3.024