5. Statistics and Probability

Data Representation — Quiz

Test your understanding of data representation with 5 practice questions.

Practice Questions

Question 1

A survey collected data on the number of hours students spent sleeping per night. Which type of graph would be most appropriate to display the distribution of this continuous data?

Question 2

Consider the following data set: $10, 15, 20, 25, 30. What is the mean of this data set?

Question 3

In a box plot, what does the entire box (from $Q1$ to $Q3$) represent?

Question 4

A scatterplot shows points that are widely dispersed with no clear pattern. What does this suggest about the relationship between the two variables?

Question 5

Which measure of central tendency is most appropriate for a data set that includes extreme outliers and is heavily skewed?