BUAL 2650 EXAM 2 STUDY GUIDE &
CH. 16 HW(RATED A+)
In testing for the equality of means from two independent populations, if the
hypothesis of equal population means is rejected at α = .01, it will ________ be
rejected at α = .05.
always
sometimes
never - ANSWERalways
If we are testing the hypothesis about the mean of a population of paired differences
with samples of n1 = 10, n2 = 10, the degrees of freedom for the t statistic is
________.
19
18
9
8
10 - ANSWER9
The ________ measures the strength of the linear relationship between the
dependent variable and the
independent variable.
correlation coefficient
distance value
Y-intercept
residual - ANSWERcorrelation coefficient
The correlation coefficient may assume any value between
0 and 1.
−∞ and ∞.
0 and 8.
−1 and 1.
−1 and 0. - ANSWER-1 and 1
The following results were obtained as part of a simple regression analysis.
r2 = .9162
F statistic from the F table = 3.59
Calculated value of F from the ANOVA table = 81.87
α = .05
p-value = .000
CH. 16 HW(RATED A+)
In testing for the equality of means from two independent populations, if the
hypothesis of equal population means is rejected at α = .01, it will ________ be
rejected at α = .05.
always
sometimes
never - ANSWERalways
If we are testing the hypothesis about the mean of a population of paired differences
with samples of n1 = 10, n2 = 10, the degrees of freedom for the t statistic is
________.
19
18
9
8
10 - ANSWER9
The ________ measures the strength of the linear relationship between the
dependent variable and the
independent variable.
correlation coefficient
distance value
Y-intercept
residual - ANSWERcorrelation coefficient
The correlation coefficient may assume any value between
0 and 1.
−∞ and ∞.
0 and 8.
−1 and 1.
−1 and 0. - ANSWER-1 and 1
The following results were obtained as part of a simple regression analysis.
r2 = .9162
F statistic from the F table = 3.59
Calculated value of F from the ANOVA table = 81.87
α = .05
p-value = .000
