Confidence Intervals: Calculation, Interpretation & Statistical Estimation

Confidence Intervals - Complete Guide

Feb 9, 2026
STATISTICS

While hypothesis testing asks “Is there a significant difference?”, confidence intervals ask “What’s the likely range of the true value?”...

12 min Read

CI for Two Means (Equal Variances)

Feb 9, 2026
STATISTICS

Confidence interval for difference in means when variances are unknown and equal Let $x_1, x_2, \cdots, x_{n_1}$ be a random...

2 min Read

Confidence Interval for Mean (T-Distribution)

Feb 9, 2026
STATISTICS

Introduction Confidence interval can be used to estimate the population parameter with the help of an interval with some degree...

3 min Read

Confidence Interval for Mean examples

Feb 9, 2026
STATISTICS

Confidence Interval for Mean In this tutorial we will discuss some numerical examples to understand how to construct a confidence...

3 min Read

Confidence Interval for mean-t examples

Feb 9, 2026
STATISTICS

Confidence Interval for the population mean when standard deviation is unknown This tutorial covers examples on confidence interval for the...

4 min Read

Confidence Interval for Means (Z-Distribution)

Feb 9, 2026
STATISTICS

Introduction In this article we will discuss step by step procedure to construct a confidence interval for difference between two...

2 min Read

Confidence Interval for Means Examples

Feb 9, 2026
STATISTICS

CI for difference between two population means (variances are known) In this tutorial we will discuss some examples on confidence...

4 min Read

Confidence interval for means t equal variances examples

Feb 9, 2026
STATISTICS

Confidence interval for difference in means when variances are unknown and equal In this tutorial we will discuss step by...

4 min Read

Confidence Interval for Paired Data

Feb 9, 2026
STATISTICS

Confidence Interval for paired t-test Let $X_1, X_2, \cdots, X_n$ and $Y_1, Y_2, \cdots, Y_n$ be two dependent samples each...

2 min Read

Confidence Interval for Paired t examples

Feb 9, 2026
STATISTICS

Confidence Interval for paired t-test In this tutorial we will discuss how to determine confidence interval for the difference in...

6 min Read

Confidence Interval for Proportion examples

Feb 9, 2026
STATISTICS

Confidence Interval for Proportion In this tutorial we will discuss some numerical examples to understand how to construct a confidence...

4 min Read

Confidence Interval for Proportions examples

Feb 9, 2026
STATISTICS

CI for difference between two population proportions In this tutorial we will discuss some examples on confidence interval for difference...

6 min Read