11 Which graph is commonly used for showing both uncertainty and distribution? Box-and-whisker plot. Pie chart. Bar chart. Stacked area chart. 0.5 points Question 12 What type of plot is used for observing data distribution ranges with more detail than a box plot? Violin plot. Scatter plot. Pie chart. Error graph. 0.5 points Question 13 What is the purpose of connection lines in graphs showing significance? To connect bars or points and highlight significant relationships. To group unrelated variables together. To display error margins. To show the distribution of data. 0.5 points Question 14 What is a confidence interval used for in significance visualization? To show the range within which the true value lies with a certain probability. To calculate the mean value of a dataset. To display median values. To compare categorical variables. 0.5 points Question 15 What is the purpose of curve fitting in data visualization? To predict uncertain or unknown data values with a fitted curve. To calculate the average value. To determine exact data points. To remove outliers from a dataset. 0.5 points Question 16 What does a waterfall chart show? How an initial value changes through positive and negative values over time. How a variable changes over a continuous range. The proportion of each part to a whole. Comparing categorical variables. 0.5 points Question 17 When should a stacked bar chart be used