Project #79099 - Statistics

Step one is where I am stuck. I hace the rest of the paper done. HEEEEELP!!!!!


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:

  • gendergpa.

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 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

Subject Mathematics
Due By (Pacific Time) 08/16/2015 12:00 am
Report DMCA

Chat Now!

out of 1971 reviews

Chat Now!

out of 766 reviews

Chat Now!

out of 1164 reviews

Chat Now!

out of 721 reviews

Chat Now!

out of 1600 reviews

Chat Now!

out of 770 reviews

Chat Now!

out of 766 reviews

Chat Now!

out of 680 reviews
All Rights Reserved. Copyright by - Copyright Policy