Category: statistics

Studentized Range Distribution PDF Calculator Studentized Range Distribution PDF Calculator This calculator computes the PDF of the Studentized Range distribution used in multiple comparisons (e.g.,…

Inverse Gamma Distribution PDF Calculator Inverse Gamma Distribution PDF Calculator For an Inverse Gamma distribution with shape parameter \(\alpha\) and scale parameter \(\beta\), the PDF…

Quickly perform accurate Z-Tests and calculate Z-Scores using our specialized online calculators. Whether you need calculations based on data arrays, individual values, mean, standard deviation…

Efficiently calculate Z-Test statistics using a specified sample value, known population mean, standard deviation (SD), and test direction (one-sided or two-sided). Ideal for quick and…

Z-Score Calculator (Value, Array, Flag) Z‑Score Calculator Calculate the z‑score for a given value relative to an array of numbers using either the sample or…

Instantly calculate the probability density function (PDF) for Gamma distribution using shape (α) and scale (β) parameters. Ideal for quick, precise statistical analyses across multiple…

Probability Calculator Probability Calculator Enter Probability of Event A (P(A)): Enter Probability of Event B (P(B)) [Optional]: Calculate Probability Reset How the Probability Calculator Works…

Advanced Z-Score Calculator Advanced Z-Score Calculator Calculation Type: Z-Score Calculation Raw Score Calculation (Inverse Z-Score) Raw Score(s) (X): Enter one or more raw scores to…

Standard Deviation Calculator Standard Deviation Calculator Enter Data Enter numbers separated by commas: Compute Standard Deviation Result The computed standard deviation will appear here. Computation…

Lower Incomplete Beta Function Calculator Lower Incomplete Beta Function Calculator Calculate the lower incomplete beta function: $$ B_x(a,b) = \int_0^x t^{a-1}(1-t)^{b-1} dt $$ * Enter…