PBSI 301 Exam 3 questions and
answers A+ rated
Which statistical technique is used to examine one group of subjects under two different
conditions? - correct answer ✔✔Dependent t test
The t test for dependent means is used when your sample is tested ______. - correct answer
✔✔two or more times
In order to determine whether you will reject the null hypothesis, with what must the test
statistic be compared? - correct answer ✔✔The cirtical value
what is the formuala used to calucate degrees of freedom for dependent t tests - correct answer
✔✔n-1
what is used to examine the defree of the realtion between two variabes - correct answer
✔✔correlation
When using a t test for dependent means, what is TRUE of the sample? - correct answer
✔✔They are the same group.
In the formula that computes a t value, what does ΣD represent? - correct answer ✔✔sum of
the differences between groups of scores
Another name for a dependent-samples t test is ________. - correct answer ✔✔Repeated
measures
, In the following, what is the number 5.015: t(58) = 5.015, p < 0.01? - correct answer ✔✔t- value
What is the term for what you indicated to be the difference you expect in a dependent-
samples t test? - correct answer ✔✔hypothesized mean difference
Based on the formula for the t test for dependent means, what does the n represent? - correct
answer ✔✔number of pairs of observations
In the following, what is the number of 0.01: t(58) = 5.015, p < 0.01? - correct answer
✔✔signifigance value
What is the term for the average score for each variable in a dependent-samples t test? - correct
answer ✔✔mean
The statistical procedure is used to generate the test statistic. What is the term for the test
statistic? - correct answer ✔✔obtained value
In hypothesis testing, the test statistic must be compared against the ______. - correct answer
✔✔critical value
You run a t-test and find that your results indicate that t(38) = 4.15, p < 0.05. What is your
decision? - correct answer ✔✔Reject null hypothesis
If the critical value is less extreme than the obtained value, what decision should you make? -
correct answer ✔✔Reject null hypothesis
The t test for dependent means is also known as the ttest for correlated samples. - correct
answer ✔✔true
answers A+ rated
Which statistical technique is used to examine one group of subjects under two different
conditions? - correct answer ✔✔Dependent t test
The t test for dependent means is used when your sample is tested ______. - correct answer
✔✔two or more times
In order to determine whether you will reject the null hypothesis, with what must the test
statistic be compared? - correct answer ✔✔The cirtical value
what is the formuala used to calucate degrees of freedom for dependent t tests - correct answer
✔✔n-1
what is used to examine the defree of the realtion between two variabes - correct answer
✔✔correlation
When using a t test for dependent means, what is TRUE of the sample? - correct answer
✔✔They are the same group.
In the formula that computes a t value, what does ΣD represent? - correct answer ✔✔sum of
the differences between groups of scores
Another name for a dependent-samples t test is ________. - correct answer ✔✔Repeated
measures
, In the following, what is the number 5.015: t(58) = 5.015, p < 0.01? - correct answer ✔✔t- value
What is the term for what you indicated to be the difference you expect in a dependent-
samples t test? - correct answer ✔✔hypothesized mean difference
Based on the formula for the t test for dependent means, what does the n represent? - correct
answer ✔✔number of pairs of observations
In the following, what is the number of 0.01: t(58) = 5.015, p < 0.01? - correct answer
✔✔signifigance value
What is the term for the average score for each variable in a dependent-samples t test? - correct
answer ✔✔mean
The statistical procedure is used to generate the test statistic. What is the term for the test
statistic? - correct answer ✔✔obtained value
In hypothesis testing, the test statistic must be compared against the ______. - correct answer
✔✔critical value
You run a t-test and find that your results indicate that t(38) = 4.15, p < 0.05. What is your
decision? - correct answer ✔✔Reject null hypothesis
If the critical value is less extreme than the obtained value, what decision should you make? -
correct answer ✔✔Reject null hypothesis
The t test for dependent means is also known as the ttest for correlated samples. - correct
answer ✔✔true
