ConfidenceT
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Function Description
Returns the size of a confidence interval for the mean of a
sample, using a Student’s t distribution, i.e. returns:
where 
, 
is
the inverse cumulative distribution function for the Student’s t distribution
with 
degrees of freedom, 
is the
standard deviation and 
is the sample size.
Provided for compatibility with the CONFIDENCE.T function in
Microsoft Excel and some other spreadsheet packages. Please note that the
Nematrian function accepts non-integral values of (these can
arise if observations are given different weights).
NAVIGATION LINKS
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Output type / Parameter details
Output type: Double
| Parameter Name | Variable Type | Description |
| Alpha | Double | Confidence level |
| StandardDeviation | Double | Standard deviation (of sample) |
| SampleSize | Double | Sample size (not necessarily integral) |
Links to:
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Interactively run function
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Interactive instructions
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Example calculation
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Output type / Parameter details
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Illustrative spreadsheet
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Other Statistical functions
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Computation units used
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