10 (iv) the farmer selected the three fields ...
10 (iv) the farmer selected the three fields out of 50 possible fields for this investigation. describe a sampling strategy to select the three fields to ensure the investigation is free from bias. 3
Answer
# Brief Explanations:
Random sampling can eliminate bias. Assign each of the 50 fields a unique number from 1 - 50. Use a random - number generator to select 3 distinct numbers. The fields corresponding to these numbers are the selected fields. This way, every field has an equal chance of being selected.
# Answer:
Assign each of the 50 fields a number from 1 - 50. Use a random - number generator to pick 3 distinct numbers. Select the fields corresponding to those numbers.