NEETStats — Parametric & Non-Parametric Statistics

Data Entry

Enter two groups/variables separated by commas, semicolons, spaces, or newlines. Give each a name (optional) to label the tables and plots.

Variable A — name Variable B — name Variable C — name (for 3+ group tests — optional) Load file…

Companion textbook
Statistics with NEETStats — Making Sense of Data Across the Sciences. Worked examples and practice datasets for every test in this app, across the natural, social & medical sciences. ↓ Download the CSV datasets

Descriptive Statistics

Normality (Shapiro–Francia test)

Histogram + Normal Curve

Variable:

Boxplot (all variables)

Q–Q Plot (normality check)

Variable:

Scatterplot: A vs B (with least-squares line)

Requires paired A & B of equal length.

Choose Test

Test: μ₀ for one-sample test: α: Tails: Apply continuity correction (matches R / exact-style; leave off to match SPSS. Affects Mann–Whitney & Wilcoxon only.)

Categorical / Frequency Tests

Test: Table of counts Yates' continuity correction for 2×2 independence (SPSS reports this for 2×2 tables) α: Load file…

Linear Regression & Two-Way ANOVA

Analysis: Data — paste a table with a header row. The column options and the Run button appear automatically.

PainReduction,Treatment,Severity
3.7,Physio,Mild
2.6,Physio,Mild
2.6,Physio,Mild
2.8,Physio,Mild
2.4,Physio,Mild
3.1,Physio,Mild
2.7,Physio,Mild
5.5,Physio,Mild
2.9,Physio,Mild
2.6,Physio,Mild
1.1,Physio,Mild
3.1,Physio,Severe
2.0,Physio,Severe
3.8,Physio,Severe
1.2,Physio,Severe
3.2,Physio,Severe
2.1,Physio,Severe
3.3,Physio,Severe
0.0,Physio,Severe
2.8,Physio,Severe
4.7,Medication,Mild
3.9,Medication,Mild
3.5,Medication,Mild
2.1,Medication,Mild
3.7,Medication,Mild
3.3,Medication,Mild
4.5,Medication,Mild
3.9,Medication,Mild
3.4,Medication,Mild
3.7,Medication,Mild
3.3,Medication,Severe
1.9,Medication,Severe
2.7,Medication,Severe
1.2,Medication,Severe
2.4,Medication,Severe
2.9,Medication,Severe
2.7,Medication,Severe
4.0,Medication,Severe
3.9,Medication,Severe
3.3,Medication,Severe
1.5,Medication,Severe
3.5,Medication,Severe
4.5,Combined,Mild
3.8,Combined,Mild
4.3,Combined,Mild
5.0,Combined,Mild
3.7,Combined,Mild
3.1,Combined,Mild
3.2,Combined,Mild
2.6,Combined,Mild
3.8,Combined,Mild
5.7,Combined,Mild
3.0,Combined,Mild
3.8,Combined,Mild
3.2,Combined,Mild
7.0,Combined,Severe
4.0,Combined,Severe
3.5,Combined,Severe
6.4,Combined,Severe
6.1,Combined,Severe
5.9,Combined,Severe
5.0,Combined,Severe
4.6,Combined,Severe

Load file…

APA 7th-Style Results Section

Run a hypothesis test first, then click Generate.