Documentation/How Tos/Calc: EXPONDIST function

CALC FUNCTIONS

Statistical Functions

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Measures of Central Tendency

• Avedev
• Average
• Averagea
• Count
• Counta
• Geomean
• Hearmean
• Median
• Mode
• Trimmean

Measures of dispersion / spread

• Devsq
• Kurt
• Skew
• Stdev
• Stedeva
• Stdevp
• Stdevpa
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• Varp
• Varpa

Probability and statistics

• B
• Betadist
• Betainv
• Binomdist
• Chidist
• Chiinv
• Chisqinv
• Chitest
• Confidence
• Critbinom
• Expondist
• Finv
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• Fisherinv
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• Ftest
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• Gammaln
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• Permut
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• Tdist
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Correlation and line fitting

• Correl
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• Forecast
• Intercept
• Pearson
• Rsq
• Slope
• Steyx

See also (in the Array Function category); GROWTH, LINEST, LOGEST, TREND

Ranking

• Large
• Max
• Maxa
• Min
• Mina
• Percentile
• Percentrank
• Quartile
• Rank
• Small

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EXPONDIST

Calculates values for an exponential distribution.

Syntax:

EXPONDIST(x; λ; mode)

The exponential distribution is a continuous probability distribution, with parameter λ (rate). λ must be greater than zero.

If mode is 0, EXPONDIST calculates the probability density function of the exponential distribution:

If mode is 1, EXPONDIST calculates the cumulative distribution function of the exponential distribution:

Example:

EXPONDIST(0; 1; 0)

returns 1.

EXPONDIST(0; 1; 1)

returns 0.

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See Also

• NORMDIST

• Statistical functions

• Functions listed alphabetically
• Functions listed by category