3. Descriptive Statistics
Measures Central Tendency — Quiz
Test your understanding of measures central tendency with 5 practice questions.
Practice Questions
Question 1
A dataset contains the following values: $ \{7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 50\} $. Which measure of central tendency is most affected by the presence of the value 50?
Question 2
A dataset has the following values: $ \{4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 50\} $. If the value 50 is replaced by 60, how does the mean change?
Question 3
Consider the dataset $ \{5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 100\} $. What is the median of this dataset?
Question 4
A dataset consists of the values $ \{3, 7, 7, 12, 14, 18, 22, 22, 22, 27, 30\} $. What is the mode of this dataset?
Question 5
A dataset contains the following values: $ \{50, 52, 54, 56, 58, 60, 62, 64, 66, 100\} $. If the value 100 is replaced by 68, what happens to the median?