Calculate descriptive statistics and visualize data
Example: 5, 7, 8, 4, 6 or 5 7 8 4 6
Mean: Average value
Median: Middle value
Mode: Most frequent value
Range: Max - Min
Variance: Average squared deviation
Std Dev: Square root of variance
Q1: 25th percentile
Q2: 50th percentile (Median)
Q3: 75th percentile
r = 1: Perfect positive
r = 0: No correlation
r = -1: Perfect negative
Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data.