Unit 6 quiz.pdf - 3/8/2018 Brittany Throneberry's Quiz...

3/8/2018 Brittany Throneberry's Quiz History: Unit 6 : Quiz
Unit 6 : Quiz Results for Bri±any Throneberry
Score for this quiz:
30
out of 30
Submitted Feb 25 at 11:51pm
This attempt took 39 minutes.
2 / 2 pts
Question 1
An F statistic calculated on 3 and 48 degrees of freedom equals 4.23. Which
decision would you make about a hypothesis tested at the p 0.05 level?
Fail to reject the null hypothesis and conclude there are differences among the
groups.
Fail to reject the null hypothesis and conclude no significant differences are
indicated among the groups.
1/8
we fail to reject the null hypothesis in an ANOVA.
Reject the null hypothesis and conclude there are differences among the
groups.
Correct!
Correct!
Reject the null hypothesis and conclude no significant differences are
indicated among the groups.
2 / 2 pts
Question 2
A post-hoc test is warranted when:
Correct!
Correct!

3/8/2018 Brittany Throneberry's Quiz History: Unit 6 : Quiz
2/8
we reject the null hypothesis when performing an independent-groups t test.
we have an a priori prediction about which group means will differ.
2 / 2 pts