A town hosts an arbor day celebration

Asked by maham237 @ in Mathematics viewed by 328 People

A town hosts an Arbor Day celebration. Each of the 105 families attending gets to choose a sapling to take home as they leave. Michelle and Ari each design surveys in order to determine the average height of the saplings. Michelle samples the first 20 families leaving the celebration. Ari samples every fifth family leaving the celebration. Which best explains which student’s sample is likely to produce more valid results?

Answered by maham237 @


Ari have more valid results than Michelle. It is because, if you see at the collection of numbers, then Michelle is concentrating only on first 20 numbers, their median could be very different from the rest of the data.

But Ari is collecting close value of median of whole data, in that situation, he will hit the most correct /Accurate results

Hope this helps!

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