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One-way ANOVA and Tukey's HSD Calculator

Enter numbers separated by comma or space in up to 10 groups, then click Calculate. At least two numbers are needed for each group. If there is only 1 number in a group or if non-numeric values are entered, this group will not be included for analysis.

Group1	Group2	Group3	Group4	Group5

Show/Hide Groups 6 to 10

Group6	Group7	Group8	Group9	Group10

F value:
P value:

One-way ANOVA and Tukey's HSD Definition

"One-way ANOVA" refers to "One-way Analysis of Variance". "Tukey's HSD" refers to "Tukey's Honest Significant Difference".

One-way ANOVA and Tukey's HSD Example

For Group 1="1,2,3" and Group 2="4,5,6", F=13.5, p=0.021312. As p<0.05, we reject the null hypothesis that there is no significant difference between groups.

For Group 1="1,2,3" and Group 2="4,5,6" and Group 3="4,5,7", F=7, p=0.027. As p<0.05, we reject the null hypothesis that there is no significant difference between groups. But when we look at difference within groups (1 vs 2, 2 vs 3, 1 vs 3), only Group 1 and Group 3 are significantly different by Tukey's HSD.