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Exploring Data - Coggle Diagram
Exploring Data
Measures of Center
Median
The middle number of a dataset when it is in ascending of descending order
Is Used to calculate:
Mean
Is used to calculate:
The average of a Dataset
Can be Exppressed in Sigma Notation
Is also used for:
Weighted Averages
Mode
The most repeated value in a dataset
Measures of Spread
range
five-number summary
maximum Q4
third (upper) quartile Q3
second quartile: Q2
first (lower) quartile: Q1
Are used to calculate:
Inter quartile range (IQR)
Used to find the outliers
1.5 IQR
Q3 - Q1
minimum Q0
Maximum Value - Minimum Value
variance
of
Populations
Samples
standard deviation
Datasets
Can be represented as:
Histograms
Shape:
Sweked
Symmetric
Tail
Can Show:
Frequency
Relative Frequency
Characteristics
Have different bins
Box Plots
Show:
Tables
Can Show
Specific Values
Cumulative Distribution
Other Forms
Population Pyramids
Pie graphs
Can be based of
Samples
Populations
Variables