A farmer wishes to determine which of two brands of baby pig pellets, Kent or Moormans, produces better weight gains. Two of his sows each give birth to litters of 10 pigs on the same day, so he decides to give the baby pigs in litter A only Kent pellets, while the pigs in litter B will get only Moormans pellets. After four weeks, the average weight gain for pigs in litter A is greater than the average weight gain for pigs in litter B. The farmer has conducted a(n)

Experiment, but not completely randomized experiment.

Step-by-step explanation:

An experimental design typically shows the layout of the planned experiment and this also facilitates the understanding of the experiment at glance. It is also pertinent to understand that, it is crucial to apply a suitable design regarding the need of the experiment. So, according to what the farmer conducted, he carried out an experiment but not a completely randomized experiment.

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step-by-step explanation: