- Document Solutions for Excel, .NET Edition Overview
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Formula Reference
- Add-in and Automation Functions
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Statistical Functions
- AVEDEV
- AVERAGE
- AVERAGEA
- AVERAGEIF
- AVERAGEIFS
- BETA.DIST
- BETA.INV
- BINOM.DIST
- BINOM.DIST.RANGE
- BINOM.INV
- CHISQ.DIST
- CHISQ.DIST.RT
- CHISQ.INV
- CHISQ.INV.RT
- CHISQ.TEST
- CONFIDENCE.NORM
- CONFIDENCE.T
- CORREL
- COUNT
- COUNTA
- COUNTBLANK
- COUNTIF
- COUNTIFS
- COVARIANCE.P
- COVARIANCE.S
- DEVSQ
- EXPON.DIST
- F.DIST
- F.DIST.RT
- F.INV
- F.INV.RT
- F.TEST
- FISHER
- FISHERINV
- FORECAST
- FORECAST.LINEAR
- FREQUENCY
- GAMMA
- GAMMA.DIST
- GAMMA.INV
- GAMMALN
- GAMMALN.PRECISE
- GAUSS
- GEOMEAN
- GROWTH
- HARMEAN
- HYPGEOM.DIST
- INTERCEPT
- KURT
- LARGE
- LINEST
- LOGEST
- LOGNORM.DIST
- LOGNORM.INV
- MAX
- MAXA
- MAXIFS
- MEDIAN
- MIN
- MINA
- MINIFS
- MODE.MULT
- MODE.SNGL
- NEGBINOM.DIST
- NORM.DIST
- NORM.S.DIST
- NORM.S.INV
- NORMINV
- PEARSON
- PERCENTILE.EXC
- PERCENTILE.INC
- PERCENTRANK.EXC
- PERCENTRANK.INC
- PERMUT
- PERMUTATIONA
- PHI
- POISSON.DIST
- PROB
- QUARTILE.EXC
- QUARTILE.INC
- RANK.AVG
- RANK.EQ
- RSQ
- SKEW
- SKEW.P
- SLOPE
- SMALL
- STANDARDIZE
- STDEV.P
- STDEV.S
- STDEVA
- STDEVPA
- STEYX
- T.DIST
- T.DIST.2T
- T.DIST.RT
- T.INV
- T.INV.2T
- T.TEST
- TREND
- TRIMMEAN
- VAR.P
- VAR.S
- VARA
- VARPA
- WEIBULL.DIST
- Z.TEST
- Text Functions
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- Document Solutions Data Viewer
- API Reference
- Release Notes
CONFIDENCE.T
This function returns the confidence interval for a population mean.
Syntax
CONFIDENCE.T(alpha, stdev, size)
Arguments
This function has these arguments:
Argument | Description |
|---|---|
alpha | [Required] Alpha, significance level used in calculating confidence level, where the confidence level is 100 times (1-alpha)% |
stdev | [Required] Population standard deviation for the range |
size | [Required] Number representing the size of the sample; if not an integer, the number is truncated |
Remarks
The function uses a Student's t distribution. If size = 1, the function returns a #DIV/0! error value.
If any argument is non-numeric, the function returns the #VALUE! error value.
Examples
CONFIDENCE.T(0.5,B4,D5)
CONFIDENCE.T(0.5,R4C2,R5C4)