Confidence Interval Calculator Pro - Statistics Tool
v1.0. Stable
Analysis Output
[ 0 , 0 ]
Confidence Interval Range
0
Lower Limit
0
Upper Limit
± 0
Margin of Error
0
Standard Error
Operational Guide
1
Mean (x̄)
Input the average value derived from your sample dataset.
2
Size (n)
Enter the total count of observations in your sample.
3
Std Dev (s)
Input the standard deviation, representing data dispersion.
4
Confidence
Select the confidence level (Standard is 95%).
Sample Calculation
Input Data:
- Mean: 150
- Size: 100
- Std Dev: 5
- Level: 95%
Calculated Output:
- Standard Error: 0.5
- Margin of Error: 0.98
- Interval: [149.02, 150.98]
System Advantages
Precision: Calculates up to 4 decimal places for scientific accuracy.
Zero Latency: Instant results via client-side processing.
Academic: Ideal for statistics homework, research papers, and lab reports.
Responsive: Full functionality on mobile devices for field work.