Probable Error Solution

STEP 0: Pre-Calculation Summary
Formula Used
Probable Error = Variable 'b' in Probable Error*(Standard Deviation of the Sample of Size N/sqrt(Sample Size))
Se = b*(σn-1/sqrt(N))
This formula uses 1 Functions, 4 Variables
Functions Used
sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)
Variables Used
Probable Error - Probable Error is the half-range of an interval about a central point for the distribution and in Gumbel's method it defines the range of effective measurement increments.
Variable 'b' in Probable Error - Variable 'b' in Probable Error is the half-range of an interval about a central point for the distribution.
Standard Deviation of the Sample of Size N - Standard Deviation of the Sample of Size N is the quantity expressed by how much it differs from the mean value for the group and also the square root of its variance.
Sample Size - Sample Size is the measure of the number of individual samples to establish the confidence limits.
STEP 1: Convert Input(s) to Base Unit
Variable 'b' in Probable Error: 8 --> No Conversion Required
Standard Deviation of the Sample of Size N: 1.28 --> No Conversion Required
Sample Size: 2621 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Se = b*(σn-1/sqrt(N)) --> 8*(1.28/sqrt(2621))
Evaluating ... ...
Se = 0.200016786781202
STEP 3: Convert Result to Output's Unit
0.200016786781202 --> No Conversion Required
FINAL ANSWER
0.200016786781202 0.200017 <-- Probable Error
(Calculation completed in 00.004 seconds)

Credits

Created by Mithila Muthamma PA
Coorg Institute of Technology (CIT), Coorg
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8 Confidence Limits Calculators

Probable Error
Go Probable Error = Variable 'b' in Probable Error*(Standard Deviation of the Sample of Size N/sqrt(Sample Size))
Variate 'b' given Probable Error
Go Variable 'b' in Probable Error = Probable Error*sqrt(Sample Size)/Standard Deviation of the Sample of Size N
Equation for Confidence Interval of Variate Bounded by x2
Go Value of 'x2' Bounded to Variate 'Xt' = Variate 'X' with a Recurrence Interval-Function of Confidence Probability*Probable Error
Confidence Interval of Variate Bounded by X2
Go Value of 'x2' Bounded to Variate 'Xt' = Variate 'X' with a Recurrence Interval+Function of Confidence Probability*Probable Error
Equation for Confidence Interval of Variate
Go Value of 'x1' Bounded to Variate 'Xt' = Variate 'X' with a Recurrence Interval-Function of Confidence Probability*Probable Error
Confidence Interval of Variate
Go Value of 'x1' Bounded to Variate 'Xt' = Variate 'X' with a Recurrence Interval+Function of Confidence Probability*Probable Error
Sample Size when Probable Error is Considered
Go Sample Size = ((Variable 'b' in Probable Error*Standard Deviation of the Sample of Size N)/Probable Error)^2
Equation for Variate 'b' using Frequency Factor
Go Variable 'b' in Probable Error = sqrt(1+(1.3*Frequency Factor)+(1.1*Frequency Factor^(2)))

Probable Error Formula

Probable Error = Variable 'b' in Probable Error*(Standard Deviation of the Sample of Size N/sqrt(Sample Size))
Se = b*(σn-1/sqrt(N))

What is Flood Frequency Analysis?

Flood frequency analysis is a technique used by hydrologists to predict flow values corresponding to specific return periods or probabilities along a river. The application of statistical frequency curves to floods was first introduced by Gumbel.

What is Peak Discharge?

In Hydrology, the term Peak Discharge stands for the highest concentration of runoff from the basin area. The concentrated flow of the basin greatly exaggerates and overtops the natural or artificial bank, and this might be called a flood.

How to Calculate Probable Error?

Probable Error calculator uses Probable Error = Variable 'b' in Probable Error*(Standard Deviation of the Sample of Size N/sqrt(Sample Size)) to calculate the Probable Error, The Probable Error formula is defined as the correlation coefficient that is fully responsible for the value of the coefficients and their accuracy. Probable Error is denoted by Se symbol.

How to calculate Probable Error using this online calculator? To use this online calculator for Probable Error, enter Variable 'b' in Probable Error (b), Standard Deviation of the Sample of Size N n-1) & Sample Size (N) and hit the calculate button. Here is how the Probable Error calculation can be explained with given input values -> 0.109227 = 8*(1.28/sqrt(2621)).

FAQ

What is Probable Error?
The Probable Error formula is defined as the correlation coefficient that is fully responsible for the value of the coefficients and their accuracy and is represented as Se = b*(σn-1/sqrt(N)) or Probable Error = Variable 'b' in Probable Error*(Standard Deviation of the Sample of Size N/sqrt(Sample Size)). Variable 'b' in Probable Error is the half-range of an interval about a central point for the distribution, Standard Deviation of the Sample of Size N is the quantity expressed by how much it differs from the mean value for the group and also the square root of its variance & Sample Size is the measure of the number of individual samples to establish the confidence limits.
How to calculate Probable Error?
The Probable Error formula is defined as the correlation coefficient that is fully responsible for the value of the coefficients and their accuracy is calculated using Probable Error = Variable 'b' in Probable Error*(Standard Deviation of the Sample of Size N/sqrt(Sample Size)). To calculate Probable Error, you need Variable 'b' in Probable Error (b), Standard Deviation of the Sample of Size N n-1) & Sample Size (N). With our tool, you need to enter the respective value for Variable 'b' in Probable Error, Standard Deviation of the Sample of Size N & Sample Size and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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