Lab 7 Rubric

Question 1

1 mark for correct figure based on types of variable inputs.

• Two categorical variables = mosaic or barplot
• Two numeric variables = scatterplot
• One numeric and one categorical variable = stripchart (if < 20 observations in each group), boxplot (if > 20 observations in each group)

1 mark for figure caption that follows guidelines. At a minimum a caption:

• is located below the figure (0.25 marks)
• includes a figure number (0.25 marks)
• describes both variables (0.25 marks)
• includes sample sizes (0.25 marks)

Question 2

4 marks for a correctly formatted table.

• Correct values in the table (1 mark)
• Correct descriptive statistics were used for each variable type (1 mark)
• The heading is informative (1 mark)
• Sample sizes and units are always included (1 mark)