**Using R Commander*

Part I: Conduct an Independent Samples T-Test

Using the attached data set, complete the following tasks:

• Select the appropriate test to answer this research question: What are the differences in performance based on a person’s gender? Table
• Address the assumptions relating to the test. (histogram for each age group)
• Create a boxplot of the dependent variable based on the independent variable.
• QQ Plot (for each age group)
• Anderson-Darling Normality Test (Table)Identify if a group is not normal.

Your part I submission should be completed in APA style and report format. It must be a minimum of four pages not including the title page or reference page. Grammar, spelling, tables, and figures must be formatted in APA style. Results to be included are:

• an independent samples t-test addressing the research question,
• assumptions relating to the test, 
• a boxplot of the dependent variable based on the independent variable, 
• a brief narrative explaining results.

Conduct a Paired-Samples T-Test

Using the attached data set, complete the following tasks:

• Select the appropriate test to answer this research question: What is the difference in weight between day1 and day2?
• Address the assumptions relating to the test.
• Create a boxplot of both dependent variables simultaneously.

Your part I submission should be completed in APA style and report format, with minimal narrative. It must be a minimum of four pages not including the title page or reference page. Grammar, spelling, tables, and figures must be formatted in APA style. Results to be included are:

• a paired samples t-test addressing the research question,
• assumptions relating to the test, 
• a boxplot of the dependent variable based on the independent variable and 
• a brief narrative explaining results. 

Part II: Conduct an ANOVA

Using the attached data set, complete the following tasks:

• Select the appropriate test to answer this research question: What are the differences in performance based on a person’s age?
• Address the assumptions relating to the test.

Your part II submission should be completed in APA style and report format. It must be a minimum of four pages not including the title page or reference page. Grammar, spelling, tables, and figures must be formatted in APA style. Results to be included are:

• an ANOVA addressing the research question,
• assumptions relating to the test, and 
• a brief narrative explaining results.