# How to Calculate the Z-Value for a 98% Confidence?

A z-score is a common way to standardize a set of statistical data. Statisticians, business people, scientists and market analysis use z-scores to help them find the point that a piece of data woul...
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http://www.ehow.com/how_8364029_calculate-zvalue-98-confidence.html

## How to Calculate Confidence Levels?

A confidence level refers to the probability that a confidence interval will contain a given data point. For example, if you conduct a poll that shows 56 percent of people support candidate A with ...
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http://www.ehow.com/how_8241444_calculate-confidence-levels.html

## How to Calculate Confidence Level?

Can I do the task in hand. How do I know I can do it, how confident am I? Has training been given and do I have sufficient knowledge of how to carry on.This is often the scenario the brain goes thr...
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http://www.wikihow.com/Calculate-Confidence-Level

## How to Calculate Confidence Interval?

A confidence interval is an indicator of your measurement's precision. It is also an indicator of how stable your estimate is, meaning that if you repeat your survey, your result will be close to y...
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http://www.wikihow.com/Calculate-Confidence-Interval

## How to Calculate 95% Confidence Interval for a Test's Sensitivity?

The sensitivity of a test is the percentage of individuals with a particular disease or characteristic correctly identified as positive by the test. Tests with high sensitivity are useful as screen...
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http://www.wikihow.com/Calculate-95%25-Confidence-Interval-for-a-Test%27s-Sensitivity