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A. True
B. False
A. True
B. False
A. True
B. False
A. Infinite
B. One
C. Zero
D. Two
A. A
B. X
C. Y
D. Z
A. True
B. False
A. Constant
B. Random
C. Linear
D. Nonlinear
A. True
B. False
A. Molality
B. Molarity
C. Normality
D. None of these
A. Molality
B. Molarity
C. Normality
D. None of these
A. True
B. False
A. Position
B. Freedom
C. Value
D. All of these
A. One
B. Two
C. Three
D. Fourth
A. True
B. False
A. True
B. False
A. True
B. False
A. A t-test is used instead of the z-test ______.
B. When σ is known
C. When df is greater than 100
D. For a two-tailed test, but not for a one-tailed test
A. True
B. False
A. Increasing the degrees of freedom
B. Increasing the likelihood of rejecting the null hypothesis
C. Reducing the degrees of freedom
D. Decreasing the likelihood of rejecting the null hypothesis
A. +/– 1.64
B. +/– 1.96
C. +/– 2.33
D. +/– 2.58
A. True
B. False
A. +/– 1.64
B. +/– 1.96
C. +/– 2.33
D. +/– 2.58
A. The result is statistically significant
B. The result is non-significant
C. H0 is presumed to be true
D. No relationship exists among variables
A. +/– 1.64
B. +/– 1.96
C. +/– 2.33
D. +/– 2.58
A. The result is statistically significant
B. The result is non-significant
C. H1 is presumed to be true
D. No assumption can be drawn
A. P < .05
B. P < .01
C. P = .03
D. N.s.
A. True
B. False
A. P is not less than .01
B. They have conducted a one-tailed test
C. They had a directional hypothesis
D. The null hypothesis is true
A. N = 1
B. N = 10
C. N = 100
D. N = 1000
A. True
B. False