2.2. Indicate which test (paired samples (ie dependent) t-test,
independent two samples t-test, one-sample t-test, independent
samples z-test) is most appropriate for the following situations :
A. Comparison of weight gain of two groups of 18 cows where one
group was raised following standard practices and the other group
was raised following “organic” standards.
B. Comparison of scores on a fitness test of Olympic-class
distance runners (n=20) with the national average score of people
of a similar age range (22-31...
Part II. Indicate whether you would perform a z
test, two-sample t test, paired t test, or ANOVA for the following
research question? All the outcomes are continuous
variables.
A group of adolescent boys was offered interpersonal skills
counseling and then tested in September and May to see if there was
any impact on family harmony.
3 groups of participants were exposed to different levels of
treatment for ankle sprain. Which treatment was more
effective?
1 group of men was...
How are paired t-tests different from two-sample t-tests?
1. When are they used: population parameters
2. Data types they are used on
3. Which sample statistics are used as estimates for the
population parameter
4. Test statistics, including conditions and Minitab command
Dependent T (T-test for
paired) Table should look like this. Answer the three
parts.
Shooting without noise
Shooting with noise
D (Difference)
D²
A. Write your research question
and hypotheses
B. Test-Statistic (the t-ratio).
Determine the degrees of freedom. df = (N – 1) .
C. Refer to the t-values in
appendix B with df at the .05 significant level and at the .01
significant level in order to make the final conclusion.
NAME
NO NOISE
LOUD NOISE
Student1
3/10...
What are the differences between inpedenpedent samples t-test,
paired sample t-test, Wilcoxon rank-sum test, and the Wilcoxon
signed ranks test? Thank you!