Confidence Intervals: Calculation, Interpretation & Statistical Estimation

Confidence Interval for Ratio of Variances

Feb 9, 2026
STATISTICS

Confidence Interval for ratio of variances Let $X_1, X_2, \cdots , X_{n_1}$ be a random sample of size $n_1$ from...

1 min Read

Confidence Interval for Ratio of variances examples

Feb 9, 2026
STATISTICS

Confidence Interval for ratio of variances In this tutorial we will discuss some examples on confidence interval for ratio of...

3 min Read

Confidence Interval for Single Mean

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 Single Proportion

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 Two Proportions

Feb 9, 2026
STATISTICS

CI for difference between two population proportions Let $X_1$ be the observed number of individuals possessing certain attributes (number of...

2 min Read

Confidence Interval for Variance

Feb 9, 2026
STATISTICS

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

2 min Read

Confidence Interval for Variance examples

Feb 9, 2026
STATISTICS

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

3 min Read

Plus Four Confidence Interval for Proportion Examples

Feb 9, 2026
STATISTICS

Plus Four Confidence Interval for Proportion In this article we will discuss step by step examples to construct a plus...

4 min Read

Plus Four Confidence Interval for Proportions Examples

Feb 9, 2026
STATISTICS

Plus Four CI for difference between two population proportions In this tutorial we will discuss some step by step numerical...

2 min Read

Plus-Four Confidence Interval for Single Proportion

Feb 9, 2026
STATISTICS

Introduction In this article we will discuss step by step procedure to construct a plus four confidence interval for population...

2 min Read

Plus-Four Confidence Interval for Two Proportions

Feb 9, 2026
STATISTICS

Plus Four CI for difference between two population proportions The plus four method produces more accurate confidence interval for difference...

3 min Read

CI for Two Means (Unequal Variances)

Feb 9, 2026
STATISTICS

Confidence interval for means (variances are unknown and unequal) Let $x_1, x_2, \cdots, x_{n_1}$ be a random sample of size...

3 min Read