Consider the following 12 observations arising from a simulation: 154 180 175 162 200 173 191 183 193 112 169 166 Use the method of batch means to calculate a two-sided 90% confidence interval for the mean u. In particular, use three batches of size four. O a. [125.09, 217.91] O b. [137.33, 205.67] O c. [148.30, 194.70] O d. [152.83, 190.17] O e. [156.48, 186.52]