Measures of Central Tendency Flashcards
1
Q
What is an average?
A
An attempt to calculate a single number that can be used to “represent” the entire data set as a typical or central value.
2
Q
What is the mean?
A
For a given data set, the mean is the sum of all values divided by the number of values
3
Q
What is the median?
A
The median is the middle point when the data is sorted into ascending order. If there is no unique middle, then the mean of the two closest points is taken.
4
Q
What is the mode?
A
The most frequently occurring value in a data set
5
Q
What is the skew of Mean = Median = Mode
A
Symetric Data
6
Q
What is the skew of Mean > Median > Mode
A
Right skewed
7
Q
What is the skew of Mean < Median < Mode
A
Left Skewed
8
Q
A
