Mathematics, 08.03.2021 18:10 steven0448
Formulate and test hypotheses to determine if statistical evidence suggests that the graduation rate for (1) top liberal arts colleges or (2) research universities in the accompanying table exceeds 90%. Do the data support a conclusion that the graduation rates exceed 85%? Would your conclusions change if the level of significance was 0.01 instead of 0.05?
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Is there sufficient evidence at the 0.05 level of significance that the graduation rate for top liberal arts colleges exceeds 90%?
Determine the null hypothesis, H0, and the alternative hypothesis, H1.
H0:
▼
pi
sigma
mu
▼
not equals
greater than or equals
less than or equals
greater than
equals
less than
nothing%
H1:
▼
sigma
mu
pi
▼
greater than
less than
equals
less than or equals
not equals
greater than or equals
nothing%
(Type integers or decimals. Do not round.)
Top Liberal Arts Colleges Graduation % Research Universities Graduation %
94 66
80 88
89 75
90 75
83 90
80 81
75 93
85 89
86 90
87 84
73 88
87 81
87 94
90 90
82 90
79 77
70 75
81 75
88 85
88 86
85 62
76 72
84 76
90 94
91
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