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Mathematics
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OpenStudy (snowflakelove15):
Rodrigo sits at a street corner and records the number of red sports cars that are and are not speeding. What kind of study is this? A. Double-blind study B. Experiment C. Sample survey D. Observational study
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Nnesha (nnesha):
what do you think ?? guess maybe ??
OpenStudy (snowflakelove15):
I think it's D and observational study
Nnesha (nnesha):
just sits at a corner and recording data
Nnesha (nnesha):
yes that's correct sample and experiment study involvez participation of other people
Nnesha (nnesha):
yes and double- blind study is where they don't know who is in control and experiment group
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OpenStudy (snowflakelove15):
Thank you!
Nnesha (nnesha):
yw
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