There are 62 statistical functions varying in usefulness, power and potential complexity.

Minimum and Maximum Functions

Function Usefulness Power Complexity

Counting Functions

Function Usefulness Power Complexity
COUNT
COUNTA
COUNTBLANK
COUNTIF
COUNTIFS

Deviation and Variance Functions

Trend Line Functions

Function Usefulness Power Complexity

Other Statistical Functions

Function Usefulness Power Complexity
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Using a Statistical function:
Using a Statistical Excel function

Summary

Excel's statistical functions can help you summarize and understand data (descriptive statistics) and to form conclusions about data (inferential statistics). And also to make predictions of future values based on past data (regression).