610055470
17.07.2019 •
Mathematics
Astudy was performed on teacher perceptions of the behavior of elementary school children. teachers rated the aggressive behavior of a sample of 1450 new york city public school children by responding to the statement, "this child threatens or bullies others in order to get his/her own way." responses were measured on a scale ranging from 1 (never) to 5 (always). the summary statistics were x overbarxequals=2.15 and sequals=1.05. researchers wanted to test upper h 0h0: mu subscript xμxequals=3 versus upper h subscript upper aha: mu subscript xμxnot equals≠3. which of the following tests is the most appropriate to use (assuming all conditions for inference are satisfied)?
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Ответ:
If on PLATO: ANSWER 1. EFGH is a Rotation
ANSWER 2 is: 0.5