Do people walk faster in the airport when they are departing​ (getting on a​ plane) or do they walk faster when they are arriving​ (getting off a​ plane)? A reputable researcher measured the walking...









Do people walk faster in the airport when they are departing​ (getting on a​ plane) or do they walk faster when they are arriving​ (getting off a​ plane)? A reputable researcher measured the walking speed of random travelers in two International Airports. His findings are summarized in the table. Complete parts ​(a)-(c) below.



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​(a) Is this an observational study or a designed​ experiment? Why?







A.


This is a designed experiment since the researcher influenced the data.






B.


This is a designed experiment since the researcher did not influence the data.






C.


This is an observational study since the researcher influenced the data.






D.


This is an observational study since the researcher did not influence the data.














Jun 10, 2022
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