Chapter 2: Measures of central tendency Flashcards
1
Q
What are the measures of central tendency?
A
The mean, the median and the mode.
2
Q
What is the mean?
A
The mean is calculated by dividing the sum of all values by the number of values.
3
Q
What is the median?
A
It’s the value in the middle of an ordered set of data.
4
Q
What is the mode?
A
It is the most frequently occurring value.
5
Q
What is the modal class?
A
The class which had the highest frequency density. If there is none, then all classes have the same density.
