6. Statistics and Probability
Data Representation — Quiz
Test your understanding of data representation with 5 practice questions.
Practice Questions
Question 1
Which of the following is the most appropriate graphical representation for displaying the distribution of a single numerical variable over time?
Question 2
When constructing a histogram with unequal class widths, what must be adjusted to ensure the area of each bar is proportional to its frequency?
Question 3
A student records the time, in minutes, it takes for a group of students to complete a puzzle. The data is continuous. Which of the following diagrams would be most suitable for visualizing the cumulative frequency of this data?
Question 4
Consider a dataset of the number of siblings each student in a class has. Which of the following statements about this type of data is true?
Question 5
A dataset has the following values: $12, 15, 18, 20, 22, 25, 28, 30. What is the median of this dataset?