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Confidence Interval

CI Calculator for difference between means-examples

by Dr. Raju Chaudhari

Confidence interval calculator for difference of means Use this calculator to determine the confidence interval for difference between means when variances are known. Confidence Interval …

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Confidence interval for ratio of variances

by Dr. Raju Chaudhari
Confidence-Interval-ratio-variance

Confidence Interval for ratio of variances Let $X_1, X_2, \cdots , X_{n_1}$ be a random sample of size $n_1$ from $N(\mu_1, \sigma_1^2)$ and $Y_1, Y_2, …

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Confidence Interval for ratio of variances Examples

by Dr. Raju Chaudhari
Confidence-Interval-ratio-variance-examples

Confidence Interval for ratio of variances In this tutorial we will discuss some examples on confidence interval for ratio of variances. Example 1 The same …

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Confidence Interval for means when variances are known

by Dr. Raju Chaudhari
Confidence-Interval-mean-variance-known

In this article we will discuss about the theory of confidence interval for difference between two means when population standard deviations are knonw along with …

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Confidence interval for two proportions examples

by Dr. Raju Chaudhari
confidence-interval-two-proportion-exanple

Confidence interval for two proportions examples In this tutorial we will discuss some examples on confidence interval for difference between two population proportions. Example 1 …

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Confidence interval for two proportions

by Dr. Raju Chaudhari
confidence-interval-two-proportion

Confidence interval for two proportions Let $X_1$ be the observed number of individuals possessing certain attributes (number of successes) in a random sample of size …

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Plus Four Confidence Interval for Proportion examples

by Dr. Raju Chaudhari
plus-four-confidence-interval-examples

Plus Four Confidence Interval for Proportion Examples In this article we will discuss step by step examples to construct a plus four confidence interval for …

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Plus Four Confidence Interval for Proportion

by Dr. Raju Chaudhari
plus-four-confidence-interval

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

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Confidence Interval for Variance Examples

by Dr. Raju Chaudhari
Confidence Interval for Variance Examples

Confidence Interval for Variance with Examples In this tutorial we will discuss some numerical examples to understand how to construct a confidence interval for population …

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Confidence Interval for mean sigma unknown

by Dr. Raju Chaudhari
confidence interval sigma unknown

Introduction Confidence interval can be used to estimate the population parameter with the help of an interval with some degree of confidence. One such a …

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