Measures of Central Tendency Flashcards
(4 cards)
What are the three measures of central tendency?
- Mean
- Median
- Mode
What are the strengths and weaknesses of calculating mean?
Strengths:
* Takes all values and distance between values into account
* Representative as all data values are considered
Weakness:
* Easily distorted by extreme values
What are the strengths and weaknesses of calculating median?
Strength:
* Not distorted by extreme values
Weaknesses:
* Not as sensitive as the mean as it does not reflect exact numbers
* TIme consuming to order large quantities of data
What are the strengths and weaknesses of calculating mode?
Strengths:
* Not distorted by extreme values
* Much more useful for discrete data
Weakness:
* Not a good masure to use when there are several modes