If a pie chart shows 10% for 'Category A' and 90% for 'Category B', but the total number of responses is unknown, what can you conclude?

How does a pie chart help in understanding qualitative data distribution?

A conservation group recorded the freshwater volume (in units of cubic kilometers) stored in six regional aquifers:

Region A: $2,500$

Region B: $8,000$

Region C: $11,200$

Region D: $1,750$

Region E: $3,300$

Region F: $4,900$

Would it make sense to display these data points in a pie chart? If so, what is the whole used for the pie chart?

Which scenario is LEAST appropriate for using a pie chart?

What information should be included in the label for each wedge of a pie chart?

Which feature of pie charts makes them effective for displaying categorical data?

A pie chart shows that 40% of survey respondents prefer Product X. If the survey had 200 participants, how many respondents preferred Product X?

A college instructor collected data from a class on how students prefer to study: $40$ prefer group study, $30$ prefer solitary study, and $10$ prefer video lectures. Can these data be shown in a pie chart, and if so, what should be used as the "whole"?

If a category represents 25% of the data, what angle should its wedge be in a pie chart?

A survey asks, "Which of the following do you find most challenging when working from home?" The responses are: staying focused, managing time, avoiding distractions, and communicating with coworkers. Explain why these results should not be shown as a pie chart.