# How to Find a Confidence Interval for the True Mean Using Excel 2007?

The confidence interval for a true mean represents the range above or below the survey mean in which the true average is likely to be, based on the data. For example, if you conduct a survey of a s...
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http://www.ehow.com/how_8365400_confidence-mean-using-excel-2007.html

## 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

## What sample size is needed so that the 95% confidence interval will have a width of 0.06 solution?

Sample size is calculated using confidence interval and the width of the solution as a percent of the mean. A sample at 95 percent confidence with a solution width of 0.06 percent would require 2,6...
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http://www.answerbag.com/q_view/2276101

## How do I find hidden columns in Excel 2007?

Finding a Hidden ColumnRead the column letters on the top of the page. The column letters read from A to Z. A column is hidden if a letter is missing in the alphabetical order.Displaying Hidden the...
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http://www.answerbag.com/q_view/2070221