Descriptive Statistics
Summarize a dataset with location and spread measures.
Data (n=10)
56616366687070727578
Mode
70 (appears 2x)
Summary table
Mean67.90
Median69.00
Range22.00
Sample variance43.88
Std deviation6.62
Sample variance uses n-1 (Bessel's correction) so the sample variance estimates the population variance without bias.