EuroJackpot Standard Deviation Distribution

  Number Frequency   Euro Numbers Frequency   Overdue Numbers   Odd/Even Numbers   High/Low Numbers   Sum and Root Sum   Hot and Cold Numbers   Most Common Pairs   Most Common Triplets   Most Common Quadruplets   Mean, STDEV, and Range Trend   Mean Distribution   Range Distribution   STDDEV Distribtion   IQR Distribution   Clustering Distribution
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 Latest Draw Result
  Number Frequency   Euro Numbers Frequency   Overdue Numbers   Odd/Even Numbers   High/Low Numbers   Sum and Root Sum   Hot and Cold Numbers   Most Common Pairs   Most Common Triplets   Most Common Quadruplets   Mean, STDEV, and Range Trend   Mean Distribution   Range Distribution   STDDEV Distribtion   IQR Distribution   Clustering Distribution

The Standard Deviation is also very useful in analyzing how spread out the numbers tend to be from draw to draw. It also shows how consistently random the draws are over time

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Last 75 draws
From Apr. 16, 2021 To Oct. 28, 2025

Histogram of Standard Deviation

The histogram of standard deviation measures how much variation or dispersion exists among numbers in each lotto draw. A low standard deviation means the numbers are close together, while a high standard deviation indicates they are spread out across the range. By dividing these values into bins, the histogram reveals whether draws tend to produce tightly grouped numbers or broadly spaced sets. This helps in understanding the randomness and variability of number distribution across many draws.

The chart below is a histogram of standard deviation of lotto combinations from Apr. 16, 2021 to Oct. 28, 2025 , covering 75 draws. The range of possible standard deviation is divided into categories or bins. In this case, the bins are defined as intervals such as 1-7 up to 50-50, each representing a continuous range of mean values.

This division is necessary because individual standard deviation values can vary widely, and grouping them into intervals makes patterns easier to observe. For example, by examining how frequently standard deviation fall into each bin, anyone can quickly see whether the draws are evenly distributed, clustered in particular ranges, or biased toward lower or higher values.

The histogram of standard deviations of lotto draws, showing how widely numbers vary within combinations reveals that the most frequent deviation interval is 8-14 with 41 occurrences, suggesting a strong clustering in this interval. In contrast, the least frequent deviation interval is 22-28, 29-35, 36-42, 43-49, 50-50 with 0 occurrences, showing it is rarely observed. This indicates a noticeable concentration of draws around certain deviation intervals. Overall, the distribution shows clustering around specific deviation intervals, indicating that draws tend to gravitate toward these values.

Format Changes in EuroJackpot

Since its launch in 2012, EuroJackpot has undergone a few format changes aimed at enhancing the game. These adjustments have expanded the number selection pool.

Period Format Bonus Ball
March 2012 5 numbers out of 50 2 Euro numbers out of 8
October 2014 5 numbers out of 50 2 Euro numbers out of 10
March 25, 2022 5 numbers out of 50 2 Euro numbers out of 12

Originally, EuroJackpot required players to select 2 Euro Numbers from a pool of 1 to 8. In October 2014, this Euro Numbers pool expanded to 1 to 10, slightly lowering the odds of winning the jackpot but increasing prize potential. The most recent change came in March 2022 when the Euro Numbers pool grew again from 1 to 10 to 1 to 12, making jackpots harder to win but allowing them to grow larger.

How EuroJackpot Format Changes Affect Your Number Strategy.

These format changes have a direct impact on statistical analysis. Mixing frequency data across different formats is not advisable because each version of the game has a different number pool and probability structure.

For example, a number that appeared frequently in the 2/8 Euro number format may have done so due to higher individual draw probability, but that same frequency can be misleading in the 2/10 and 2/12 formats.

Therefore, for meaningful analysis, it’s essential to treat each format as its own distinct dataset. Analyzing trends or frequencies should be restricted to results from within the same format period, especially if the goal is to inform number selection in the current game structure.

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