Mathematics, 22.05.2020 20:57 alicea70
Test the claim that the mean GPA of Orange Coast students is smaller than the mean GPA of Coastline students at the 0.005 significance level.
(a)The null and alternative hypothesis would be:
A. H 0 : μ O ≤ μ C
H 1 : μ O > μ C
B. H 0 : p O ≤ p C
H 1 : p O > p C
C. H 0 : p O ≥ p C
H 1 : p O < p C
D. H 0 : μ O = μ C
H 1 : μ O ≠ μ C
E. H 0 : p O = p C
H 1 : p O ≠ p C
F. H 0 : μ O ≥ μ C
H 1 : μ O < μ C
(b)The test is:
A. left-tailed
B. two-tailed
C. right-tailed
(c)The sample consisted of 60 Orange Coast students, with a sample mean GPA of 2.91 and a standard deviation of 0.05, and 60 Coastline students, with a sample mean GPA of 2.96 and a standard deviation of 0.03.
(d)The test statistic is: (to 2 decimals)
(e)The p-value is: (to 2 decimals)
(f)Based on this we:
A. Fail to reject the null hypothesis
B. Reject the null hypothesis
Answers: 1
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Test the claim that the mean GPA of Orange Coast students is smaller than the mean GPA of Coastline...
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