Statistics Definitions

Question 1

What is mean?

Answer 1

• average value
• sum of everything divided by number of subjects

Question 2

What is median?

Answer 2

• middle number in a sorted list of numbers

Question 3

What is standard deviation?

Answer 3

• measures the amount of variation or dispersion from the average

Question 4

What is variance?

Answer 4

• the average of the squared differences from the mean

Question 5

What is the research process?

Answer 5

• define the question
• identify appropriate measures and expected trends
• define sampling strategy and data analysis approach
• data collection
• data analysis
• hypothesis evaluation