Provide a context of the grades.sav data se
Question # 00106136
Posted By:
Updated on: 09/21/2015 04:35 PM Due on: 10/21/2015
t Tests (Due Week 5)
Note: You must complete the minimum requirements for the discussion, "Null and
Alternative Hypotheses," before submitting this assignment.
Assignment Preparation
Before completing this assignment:
Complete the related activities in the CogBooks tool.
Read the pdf, "t Tests," located in the assignment Resources section.
Read the Word document, "t test Assignment Resources," located in the
assignment Resources section.
Refer to the IBM SPSS and DAA Step-by-Step guides for help in completing
the assignment.
Assignment Instructions
You will analyze the following variables in the grades.sav data set:
gender, gpa.
Step 1: Write Section 1 of the DAA
Provide a context of the grades.sav data set.
Include a definition of the specified variables (predictor, outcome) and
corresponding scales of measurement.
Specify the sample size of the data set.
Step 2: Write Section 2 of the DAA
Analyze the assumptions of the t test.
Paste the SPSS histogram output for gpa and discuss your visual
interpretations.
Paste SPSS descriptives output showing skewness and kurtosis values for gpa
and interpret them.
Paste SPSS output for the Shapiro-Wilk test of gpa and interpret it.
Report the results of the Levene test and interpret it.
Summarize whether or not the assumptions of the t test are met.
Step 3: Write Section 3 of the DAA
Specify a research question related to gender and gpa.
Articulate the null hypothesis and alternative hypothesis.
Specify the alpha level.
Step 4: Write Section 4 of the DAA
Paste the SPSS output of the t test.
Report the results of the SPSS output using proper APA guidelines (refer to
the "Results" example of the Warner text in Chapter 5).
Include:
t.
Degrees of freedom.
t value.
p value.
Effect size.
Interpretation of effect size.
Means and standard deviations for each group.
Mean difference.
95% confidence interval of the difference of sample means.
Interpret the results against the null hypothesis.
Step 5: Write Section 5 of the DAA
Discuss the implications of this t test as it relates to the research question.
Conclude with an analysis of the strengths and limitations of t test analysis.
Submit your assignment as an attached Word document in the assignment area.
Note: You must complete the minimum requirements for the discussion, "Null and
Alternative Hypotheses," before submitting this assignment.
Assignment Preparation
Before completing this assignment:
Complete the related activities in the CogBooks tool.
Read the pdf, "t Tests," located in the assignment Resources section.
Read the Word document, "t test Assignment Resources," located in the
assignment Resources section.
Refer to the IBM SPSS and DAA Step-by-Step guides for help in completing
the assignment.
Assignment Instructions
You will analyze the following variables in the grades.sav data set:
gender, gpa.
Step 1: Write Section 1 of the DAA
Provide a context of the grades.sav data set.
Include a definition of the specified variables (predictor, outcome) and
corresponding scales of measurement.
Specify the sample size of the data set.
Step 2: Write Section 2 of the DAA
Analyze the assumptions of the t test.
Paste the SPSS histogram output for gpa and discuss your visual
interpretations.
Paste SPSS descriptives output showing skewness and kurtosis values for gpa
and interpret them.
Paste SPSS output for the Shapiro-Wilk test of gpa and interpret it.
Report the results of the Levene test and interpret it.
Summarize whether or not the assumptions of the t test are met.
Step 3: Write Section 3 of the DAA
Specify a research question related to gender and gpa.
Articulate the null hypothesis and alternative hypothesis.
Specify the alpha level.
Step 4: Write Section 4 of the DAA
Paste the SPSS output of the t test.
Report the results of the SPSS output using proper APA guidelines (refer to
the "Results" example of the Warner text in Chapter 5).
Include:
t.
Degrees of freedom.
t value.
p value.
Effect size.
Interpretation of effect size.
Means and standard deviations for each group.
Mean difference.
95% confidence interval of the difference of sample means.
Interpret the results against the null hypothesis.
Step 5: Write Section 5 of the DAA
Discuss the implications of this t test as it relates to the research question.
Conclude with an analysis of the strengths and limitations of t test analysis.
Submit your assignment as an attached Word document in the assignment area.
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Rating:
/5
Solution: Provide a context of the grades.sav data se