9.
Right-tailed
10.
Left-tailed
11.
Two-tailed
12.
Right-tailed
13.
Left-tailed
14.
Two-tailed
15.
Ho: p = .399
H1: p > .399
Type I: Rejecting the hypothesis that the proportion of students who enroll in her institution have the same completion rate (.399) when, in fact, it is the case.
Type II: Rejecting the hypothesis that the proportion of students who enroll in her institution have a higher completion rate (than .399) when, in fact, it is the case.
17.
Ho: u = $245,700
H1: u < $245,700
Type I: Rejecting the hypothesis that the home prices in her neighborhood are the same ($245,700) when, in fact, it is the case.
Type II: Rejecting the hypothesis that the home prices in her neighborhood are lower (than $245,700) when, in fact, it is the case.
19.
Ho: stdv = .7 psi
H1: stdv < .7 psi
Type I: Rejecting the hypothesis that the pressure variability has remained the same (.7 psi) when, in fact, it is the case.
Type II: Rejecting the hypothesis that the pressure variability has been reduced (less than .7 psi) when, in fact, it is the case.
21.
Ho: stdv = $48.79
H1: stdv <> $48.79 (not equal to)
Type I: Rejecting the hypothesis that the mean monthly revenue per cell phone is the same today ($48.79) when, in fact, it is the case.
Type II: Rejecting the hypothesis that the mean monthly revenue is NOT the same (not $48.79) when, in fact, it is the case.