True False Bottom of Form

Quiz Instructions
Question 1
The distribution of sample means contains a collection of all possible samples in order
to establish the normal curve and make probability statements.
Group of answer choices
True
False
Question 2
What are the 4 basic steps for hypothesis testing (use more than just the "one word"
associations)?
Step 1: State the hypotheses.
Step 2: Set the criteria for a decision.
Step 3: Compute the test statistic.
Step 4: Make a decision.
Question 3
If you are using an alpha level of .05, that means that the percent under the normal
curve covered by the critical region is % and the percent under the normal
curve covered by the null region is %.
Question 4
The following scatterplot best represents which kind of correlation?
5
95

Group of answer choices
zero relationship
negative relationship
significant relationship
positive relationship
Question 5
The following scatterplot best represents which kind of relationship?
Group of answer choices
negative relationship
partial relationship
positive relationship
no relationship
Question 6

If you hear that an outcome has a "negative relationship" in regard to the pearson-r
correlation, that means that the two variables are not related
Group of answer choices
True
False
Question 7
A pearson-r outcome of -.90 would best represent a _____ relationship.
Group of answer choices
moderate negative relationship
strong negative relationship
strong positive relationship
weak relationship
Question 8
Using the Critical Values for the Pearson Correlation table, what would the critical
value be if you have an 'N' value of 20 for a two-tailed test using an alpha level of .01?
Question 9
What would your coefficient of determination (R or r2) be for a pearson-r value
of .76 (remember this value is represented as a percentage)?
Question 10
A t-test can be performed for both independent measures and repeated measures
designs.
Group of answer choices
True
False
0.537
57.76%