public function dataProviderForOneWayWithTreeSamples()
{
return [[[1, 2, 3], [3, 4, 5], [5, 6, 7], ['ANOVA' => ['treatment' => ['SS' => 24, 'df' => 2, 'MS' => 12, 'F' => 12, 'P' => 0.008], 'error' => ['SS' => 6, 'df' => 6, 'MS' => 1], 'total' => ['SS' => 30, 'df' => 8]], 'total_summary' => ['n' => 9, 'sum' => 36, 'mean' => 4, 'SS' => 174, 'variance' => 3.75, 'sd' => 1.9365, 'sem' => 0.6455], 'data_summary' => [0 => ['n' => 3, 'sum' => 6, 'mean' => 2, 'SS' => 14, 'variance' => 1, 'sd' => 1, 'sem' => 0.5774], 1 => ['n' => 3, 'sum' => 12, 'mean' => 4, 'SS' => 50, 'variance' => 1, 'sd' => 1, 'sem' => 0.5774], 2 => ['n' => 3, 'sum' => 18, 'mean' => 6, 'SS' => 110, 'variance' => 1, 'sd' => 1, 'sem' => 0.5774]]]], [[6, 8, 4, 5, 3, 4], [8, 12, 9, 11, 6, 8], [13, 9, 11, 8, 7, 12], ['ANOVA' => ['treatment' => ['SS' => 84, 'df' => 2, 'MS' => 42, 'F' => 9.264774005691219, 'P' => 0.002404], 'error' => ['SS' => 68, 'df' => 15, 'MS' => 4.5333], 'total' => ['SS' => 152, 'df' => 17]], 'total_summary' => ['n' => 18, 'sum' => 144, 'mean' => 8, 'SS' => 1304, 'variance' => 8.9412, 'sd' => 2.9902, 'sem' => 0.7048], 'data_summary' => [0 => ['n' => 6, 'sum' => 30, 'mean' => 5, 'SS' => 166, 'variance' => 3.2, 'sd' => 1.7889, 'sem' => 0.7302999999999999], 1 => ['n' => 6, 'sum' => 54, 'mean' => 9, 'SS' => 510, 'variance' => 4.8, 'sd' => 2.1909, 'sem' => 0.8944], 2 => ['n' => 6, 'sum' => 60, 'mean' => 10, 'SS' => 628, 'variance' => 5.6, 'sd' => 2.3664, 'sem' => 0.9661]]]]];
}
