Im not entirely sure what the scale factor is, but i do know that 10 ft is 20 times bigger than 6in, 4 cm is 16 times bigger than 2.5mm, and that 15 yards is 9times bigger than 5ft. If that helps at all
It is the stratified random sampling technique that was used by the school administrator.
Sampling methods are defined as how we choose members for study purposes from the population.When a person is not randomly selected which maybe it be biased somehow, the data may not be representative of the population. Stratified random sample, In this sampling, the population chosen is split first into groups ., the overall sample consists of some members from every group, and those members are chosen randomly from every group, this sampling guarantees that members from each group will be represented in the sample.
To know more about sampling methods refer to the link brainly.com/question/12902833?referrer=searchResults.
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