Assignment:
Instructions
For this assignment, you will submit a document (PDF, .DOCX or .DOC formats are acceptable) containing your work in JASP, as outlined below. Prior to completing this assignment, watch the following video for some additional guidance and insights:
Statistics of Doom. (2017, March 7). JASP/Excel - two way between subjects ancova example [Video file].
Instructions:
• Open JASP-https://jasp-stats.org
• Load the "SalariesRC" Dataset into JASP
• Explore the data-this exercise uses SALARY, HRSTEACH, and RANK.
• Produce boxplots for the variables used in this exercise.
• Produce and report descriptive statistics for the variables used in this exercise.
• Compute Levene's test to see whether variances differ across variables.
• Check that the covariate and any independent variables are independent and report your results.
• Run ANCOVA with SALARY as your outcome, RANK as your predictor variable, and HRSTEACH as your covariate. Compute post hoc tests for the ANCOVA model if necessary. Report and interpret your results.
• Generate plots to check assumptions of homogeneity of variance and normality of residuals. Report and interpret your results.
• Check for homogeneity of regression slopes. Report and interpret your results.
• Calculate, report, and interpret the effect size of the ANCOVA.
• Please identify the title of the assignment and your name on the top-left of the first page.
Instructions:
• Title pages, citations, and the like are not necessary for this assignment given the nature of the tasks at hand.
• A title page and reference list are not required. Please identify the title of the assignment and your name on the top-left of the first page.
• References are not required, but if used, please use the most current APA format.
• An abstract is not required.
• SalariesRC.csv
• Salaries Code Book.docx