Week 3 Flashcards
1
Q
What are measures of central tendency or measures of location?
A
- Mean
- Median
- Mode
2
Q
What is arithmetic mean?
A
The arithmetic mean of a data set is the sum of the observations divided by the number of the observations
3
Q
What is population mean?
A
The population mean is a measurable characteristic of a population, a parameter
4
Q
What is sample mean?
A
The sample mean is a measurable characteristic of a sample, a statistic
5
Q
What is a median?
A
The median of a data set is the number that divides the bottom 50% of the data from the top 50%
6
Q
What is range
A
Max- min
