2: Central Tendency
 Prof. Jack Reilly
 Fall 2026

Instructions
Answer all questions. Please upload your assignment to Blackboard as a PDF.
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For questions 1–5, please consider the following dataset.
Dataset
Name
	Salary
	Years Experience
	Job Description
	Education Level
	
Jane
	$45,000
	1
	Teacher
	College Degree
	
Sam
	$68,000
	3
	Analyst
	College Degree
	
Edwin
	$92,000
	5
	Police
	High School
	
Shareefa
	$140,000
	20
	Manager
	Graduate Degree
	
Dwight
	$72,000
	12
	Nurse
	College Degree
	
Jiang
	$68,000
	9
	Teacher
	College Degree
	
LeBron
	$48,000,000
	21
	Athlete
	High School

Questions
1.	What is the unit of analysis (the cases) in this table?
2.	Identify the level of measurement of each variable.
3.	What is the mean, median, and mode of the salary data in this table?
–	You may use Stata or a hand calculator to answer this problem, but you must show your work or code in your answer.
4.	Do you think the mean, median, or mode is the best estimate of central tendency for salary? Why?
5.	What measures of central tendency are possible to use for each variable in this dataset? Why?