Select data Choose Ad data Hurricanes A Hurricanes Other Enter data: Use Data Clear Top/Bottom n:     Statistic: Diff in Diffs F-interaction Show Means: Show ANOVA table: Show two-way ANOVA table:

Sample data Observed F = 0.68   Show No Interaction Model Show: Cell means Cell mean errors Original ANOVA table: Source df Sum Sq Mean Sq F p-value EV 1 2 872.00 436.00 0.68 0.5330 EV 2 Interaction Error 9 5810.00 645.56     Total 11 6682.00

Show Shuffle Options: Number of Shuffles: Choose randomization method Response EV2 | EV1 Residuals Shuffle Responses Data Graphs Shuffled Two-way ANOVA table: Source df Sum Sq Mean Sq F p-value Trmt 1 2 872.00 436 7.88 0.0210 Trmt 2 3 5478.00 1826.00 33.00 Interaction 3 5478.00 1826.00 33.00 Error 6 332.00 55.33     Total 11 6682.00

Statistic: Diff in Diffs F-interaction Count Shuffles Greater Than ≥ Less Than ≤Beyond Show F distribution theory-based p-value=NaN, df = 2 and 9

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