Random Number Generator
Generate random numbers within a specified range. Supports integers and decimals with statistics and visualizations.
Generator
Enter the minimum and maximum values, count, and number type to generate random numbers.
Generated Numbers
Count
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Mean
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Min
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Max
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Detailed Statistics
Step-by-Step Explanation
Complete User Guide
How to Use
- Enter the minimum value (lower bound)
- Enter the maximum value (upper bound)
- Specify how many random numbers to generate (1-10,000)
- Choose number type: Integer or Decimal
- Optionally exclude specific numbers (comma-separated)
- Click Generate to create random numbers
Number Types
- 整数: Whole numbers only (e.g., 1, 2, 3)
- Decimal: Numbers with decimal places (e.g., 1.234, 5.678)
Statistics Provided
- Count: Total number of generated values
- Minimum: Smallest generated number
- Maximum: Largest generated number
- Mean: Average of all numbers
- Median: Middle value when sorted
- Standard Deviation: Measure of spread
- Variance: Square of standard deviation
Examples
Example 1: Random Integers
Range: 1 to 100
Count: 10
Type: 整数
Result: 10 random integers between 1 and 100
Example 2: Random Decimals with Exclusions
Range: 0 to 10
Count: 5
Type: Decimal
Exclude: 5.0, 7.5
Result: 5 random decimals excluding 5.0 and 7.5