The following is an example of what type of design? Suppliers 1 Batches 4 111 121 131 141 112 122 132 142 13 123 133143 211 221 231 241 212 222 232 242 213 223 233 243 31 321 331 341 312 322 32 342 313 323 333 343 Observations 0 A. Two Stage Nested Design B. Crossed Array Design C, Factorial Design D. Split Plot Desigrn