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Data - Coggle Diagram
Data
Quantitative
Discrete
Countable values
Continuous
Can be split into smaller units
Analysis
Center
Mean
calculating average
Median
The value in the middle of ascending data
Mode
The most frequent or repeated value
Spread
Range
Max-Min
Interquartile Range IQR
Q3-Q1
Standard Deviation
The distance/difference between each point and the Mean
(Point/Data value - The Mean)
For all data set, it is the square of the variance
Variance
The square distance of each observation from the mean / n
The 5 number summary
Order the values
MINIMUM : the first/smallest value
MAXIMUM : last/biggest value
Q2:
Odd#: The median
Even#: The mean of the two values in the middle
Q1:
same as Q2 of the data set to the left of Q2/median
Q3:
Same as Q2 of the data set to the right of Q2/median
Shape
Outliers
Categorical
Ordinal
Ranking order high,mid,low
Nominal
Just discriptive