Roulette Xtreme 2.0 - System Designer
Statistics Totals
Main > Statistics > Layout > Statistics Totals

Glossary Item Box

Statistics Totals

The statistics totals section displays three statistical data values.  This section is common on all of the Statistics Layout windows.

  • Total Spins: The total spins since the beginning of a session or based on a cycle of spins when the nSpins option is enabled.    
  • Mean: The average outcome for the current layout view.  The standard formula for calculating the Mean is: (TS / WC) * TN = Mean.
Based on the view above, the formula to calculate the Mean is: (10,000 / 37) * 1 = 270.27 rounded to two decimal places.
  • Std. Deviation: The abbreviation for standard deviation which calculates the measurement of the statistical dispersion, how spread out values are in a data set for all roulette layouts.  The formula for calculating the Standard Deviation is: Square Root (TS * (PS / WC) * (PF / WC)) = Standard Deviation.
Based on the view above, the formula to calculate the Standard Deviation is: Square Root (10,000 * (1 / 37) * (36 / 37) = 16.22 rounded to two decimal places.
The view above is referring to the single number layout statistics which is accessible by selecting Statistics > Number or F2 from the Main View..

Formula variable descriptions

To help understand the formula calculations for Mean and Standard Deviation, a description of each variable is listed below.

  • TS: Total spins which is defined as the total number of observations that is displayed in the Total Spins section.
  • WC: Wheel count which is defined as the total count of numbers that are located on the wheel.  For a single-zero wheel, the total count is 37 which include numbers 1 through 36 and the number 0.  For a double-zero wheel, the total count is 38 with the same numbers for single-zero wheel plus the number 00.
  • TN: Total roulette numbers that makeup the current layout.  Each layout group, (dozens, even money, single number, splits and so on), is made up of a total count of numbers.  For the Dozen layout, the total count of roulette numbers is 12.  
  • PS: Probability for Success which is defined as the total numbers that make up a current layout that could be successful with a win.  
  • PF: Probability for Failure which is defined as the total numbers that are outside the current layout that could cause a loss.

A table displaying the breakdown for each layout group for TN, PS and PF are listed below:

Roulette Layout

TN

PS

PF

Single
Wheel

PF

Double
Wheel

Single Number

1

1

36

37

Even Money

18

18

19

20

Dozen / Columns

12

12

25

26

Street

3

3

34

35

Line

6

6

31

32

Corner

4

4

33

34

Split

2

2

35

36

Sectors

n *

n *

37 - n

38 - n

 * n: The TN,PS andPF variables for Sectors is calculated based on how many sections per sector that your are referring.  The sectors view gives you an option to display different sectors from 2 sections per sector to 10 sections per sector

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