Chapter A, Problem 15E

a.

To determine

Identify the type of variables that pertains to the question.

• One categorical variable
• One quantitative variable
• One categorical variable and one quantitative variable
• Two categorical variables
• Two quantitative variables

b.

To determine

Identify the type of graph that could be used to visualize the data corresponding to the question.

• Segmented or side-by-side bar charts.
• Side-by-side boxplots, dot plots, or histograms
• Bar chart or pie chart.
• Scatterplot
• boxplot

c.

To determine

Identify the type(s) of statistic(s) that could be used to summarize the data corresponding to the question.

• Correlation or slope from regression
• Two-way table or difference in proportion
• Mean, median, standard deviation, range, IQR
• Statistics by group or difference in means
• Frequency or relative frequency table, proportion