Commonly Used Formulas
Basic Statistics Formulas (pdf)
z-Test Confidence Interval Multipliers (pdf)
Online General Calculators
Statistics Pedagogy Sites
Makes Life Easier Calculators
Random Number Generators
Adjustable Spinner (Option 1)
Adjustable Spinner (Option 2)
Graph Makers
Checking the Assumption of Normality
BetaCamAnalysis19
Mean, Median, Standard Deviation Calculator
Descriptive Statistics Calculator
Sample Standard Deviation Calculator (Option 1)
Sample Standard Deviation Calculator (Option 2)
Variance and Standard Deviation Calculator
Inferential Statistics Calculators
Torres’ Normal Distribution Calculator (Google Sheet)
Two Proportion Confidence Interval Calculator
Hypothesis Test Graph Generator
NHST Calculator (z-test for proportions)
z-Test for Two Population Proportions
p-Value Calculator from z-score (Use for One-Tailed Test)
p-Value Calculator from z-score (Use for Two-Tailed Test)
z-Test Confidence Interval Multipliers (pdf)
Student T-Table (pdf)
t-Distribution Table with Confidence Levels (pdf)
p-Value from t-Obtained Calculator (Option 1)
p-Value from t-Obtained Calculator (Option 2)
t-Test Calculator for 2 Independent Means
t-Test Calculator for 2 Dependent Means
t-Test Calculator for a Single Sample