Kurtosis (β₂)
Enter central moments
Formula:
Kurtosis
β2 = μ4 / μ22
Where:
μ2 = Second central moment (variance)
μ4 = Fourth central moment
Kurtosis
β2 = μ4 / μ22
Where:
μ2 = Second central moment (variance)
μ4 = Fourth central moment
Category: Statistics Calculator
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Kurtosis Calculator
Kurtosis Calculator -
Skewness Calculator
Skewness Calculator Skewness (γ₁)
Enter central moment and standard deviation
Formula:
Skewness
γ1 = μ3 / σ3
Where:
μ3 = Third central moment
σ = Standard deviation -
LSD Calculator
LSD Calculator Least Significant Difference (LSD)
Enter t-value and standard error of difference
Formula:
Least Significant Difference
LSD = t × SEd
Where:
t = Tabulated t-value at given df & probability
SEd = Standard error of difference -
Critical Difference Calculator
Critical Difference Calculator Critical Difference (CD)
Enter t-value and Standard Error of Difference
Formula:
Critical Difference
CD = t × SEd
Where:
t = Tabulated t-value at given df & probability level
SEd = Standard error of difference -
F-ratio Calculator
F-ratio Calculator F-ratio (F-test)
Enter mean square values
Formula:
F-ratio
F = MSt / MSe
Where:
MSt = Mean square due to treatments
MSe = Mean square due to error -
Error Variance Calculator
Error Variance Calculator Error Variance (σₑ²)
Enter Mean Square Error (MSE)
Formula:
Error Variance
σe2 = MSE
Where:
MSE = Mean square due to error -
Coefficient of Determination Calculator
Coefficient of Determination Calculator Coefficient of Determination (R²)
Enter correlation coefficient (r)
Formula:
Coefficient of Determination
R2 = r2
Where:
r = Correlation coefficient -
Z- score Calculator
Z-score Calculator Z-score
Enter value, mean and standard deviation
Formula:
Z-score
Z = (X − μ) / σ
Where:
X = Observed value
μ = Population mean
σ = Standard deviation -
Relative Frequency Calculator
Relative Frequency Calculator Relative Frequency (%)
Enter frequency values
Formula:
Relative Frequency
Relative Frequency (%) = (Frequency / Total) × 100 -
Relative Density Calculator
Relative Density Calculator Relative Density (%)
Enter density values
Formula:
Relative Density
Relative Density (%) = (Density / Total density) × 100