Question
A scientist selects 400 people who snore at night to test how many hours they actually snore. The average length of time is, surprisingly, only
A scientist selects 400 people who snore at night to test how many hours they actually snore. The average length of time is, surprisingly, only 4.2 hours. What kind of study is this?
A. Sample survey
B.Experimental study
C.Double-blind study
D.Observational study
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Convex Optimization
Authors: Stephen Boyd, Lieven Vandenberghe
1st Edition
1107299527, 9781107299528
