Estelle's cornfield is divided into \[6\] regions. She wants to know if a new pesticide is as effective as the pesticide that she currently uses. She randomly assigns each of the \[6\] regions to either the new or current pesticide for a month, and she'll compare the effectiveness of the pesticides. What type of experiment design is this? Choose 1 answer: Choose 1 answer: (Choice A) A completely randomized design A A completely randomized design (Choice B) A randomized block design where the pesticides are the blocks B A randomized block design where the pesticides are the blocks (Choice C) A matched pairs design with the new pesticide and current pesticide as the pairs C A matched pairs design with the new pesticide and current pesticide as the pairs (Choice D) A systematic cluster design D A systematic cluster design (Choice E) A randomized block design where the \[6\] regions are the blocks E A randomized block design where the \[6\] regions are the blocks