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Measures of central tendency - Coggle Diagram
Measures of central tendency
Mode
Frequently occurring score
Types
One mode
Two modes
Bimodal
Multimodal
Median
Ordered
Least to most
Most to least
Middle value
Types
Whole number
Middle position
Integer
Middle position
Two nearest value
Sum and divide
Mean
Sum of all scores and divide by number of scores
Formula:
Types
Sample
Subset
Formula:
X-bar
Sample mean
Sigma X
Summation of all scores
n
Number of scores
Population
Complete set
Formula:
N
Population size
Sigma X
Summation of all scores
mu
Population mean
Frequency Distribution
Balance point
Value
Distribution
Skewed
Don't use
mean
Positive Skewed
Mean exceed median
Negative Skewed
Median exceed mean
Not skewed
Use
Mean
Median
Mode
