answer them all

12 pts A researcher wants to see if irrigating a corn field (providing water) is more effective at different times of day. In a state with many cornfields, 1000 irrigated plots are chosen at random. For each plot, the researcher records the time of day that is most often used for irrigation by the farmer (early morning, mid-day, evening or at night). The average amount of corn harvested under each watering condition is compared. Select the appropriate answer from each drop down menu. a. This is an example of [ Select ] b. All the corn fields in the state is the [ Select ] and the 1000 plots of corn is the [ Select ] c. In a report, the researcher hypothesized that the average amount of corn harvested from cornfields watered in the early morning will be greatest. The average amount of corn harvested from all cornfields watered in the early morning across the state is a [ Select ]