Which of the following is an appropriate alternative hypothesis for a one-tailed t-test?

Mar 29 review

Quiz
•
Science
•
University
•
Hard
Will Brooks
Used 7+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
μ1 > μ2
μ1 = μ2
μ1 ≠ μ2
μ1 = 12
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is an appropriate alternative hypothesis for a two-tailed t-test?
μ1 > μ2
μ1 = μ2
μ1 ≠ μ2
μ1 = 12
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
μ1 = μ2 is a appropriate null hypothesis for which of the following?
one-sample t-test
ANOVA
two-sample t-test
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is FALSE about one-tailed and two-tailed t-tests?
p-value < α results in rejection of the null for both one-tailed and two-tailed t-tests.
You can choose a one-tailed t-test if you are only interested in a relationship in a particular direction.
One-tailed have more statistical power when testing the same hypothesis.
You can choose a one-tailed t-test if you know the mean of one group is higher than the other.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose we have conducted a t-test α = 0.05 and the p-value = 0.04.
TRUE or FALSE: There is a 4% chance the null hypothesis is true.
TRUE
FALSE
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose we have conducted a t-test α = 0.05 and the p-value = 0.04.
TRUE or FALSE: We reject H0
TRUE
FALSE
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose we have conducted a t-test α = 0.05 and the p-value = 0.04.
TRUE or FALSE: We should reject H0. If we repeated the experiment, there is a 4% chance that we would reject H0 again.
TRUE
FALSE
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