Wolfram Alpha Widgets

Follow the links below to access widgets I've built with Wolfram|Alpha.

Statistics & Data Analysis
Graphs Histogram Smooth Histogram Paired Histogram Bar & Pie Charts Paired Bar Chart Box plots
Calculating Center, Spread, Skewness, and Outliers Descriptive Statistics Calculator z-Score Calculator Find the Maximum and Minimum Usual Values
Probability Binomial Probability Calculator Normal Probability Calculator Inverse Normal Probability Calculator Permutations & Combinations
Verifying the Conditions for Inference Verify the Conditions to Make Inferences About Proportions (1-sample) Verify the Conditions to Make Inferences About Proportions (2-sample) Calculate the Critical Value for a QQ Plot Infer Skewness in a Population Verify the Equality of 3 or More Variances/Standard Deviations
Confidence Intervals Proportions Estimating a proportion (1-sample) Sample Size Needed to Estimate a Proportion Means Estimating a Mean (1-sample) Standard Deviations or Variances Estimating a Standard Deviation/Variance (1-sample)
Hypothesis Testing Proportions Test a Claim About a Proportion (1-sample) Test a Claim About a Proportion (2-sample) Means or Medians Test a Claim About a Mean (1-sample) Test a Claim About a Mean (2-sample) Test a Claim About a Median (1-sample) Test a Claim About a Median (2-sample) Other Tests Test the Equality of Two Variances Test a Claim About 3 Averages Goodness-of-Fit Test
Correlation & Regression Regression Calculator Polynomial Regression Calculator Convert R2 to R Predict a Future/Unknown Value