One-way ANOVA: объем продаж versus реклама
Source DF SS MS F P реклама 2 106,07 53,03 17,94 0,000 Error 27 79,80 2,96 Total 29 185,87
S = 1,719 R-Sq = 57,07% R-Sq(adj) = 53,89%
Individual 95% CIs For Mean Based on Pooled StDev Level N Mean StDev -------+---------+---------+---------+-- 1 10 8,300 1,337 (-----*----) 2 10 6,200 1,751 (-----*-----) 3 10 3,700 2,003 (-----*----) -------+---------+---------+---------+-- 4,0 6,0 8,0 10,0 Pooled StDev = 1,719 Tukey 95% Simultaneous Confidence Intervals All Pairwise Comparisons among Levels of реклама Individual confidence level = 98,04%
реклама = 1 subtracted from: реклама Lower Center Upper --+---------+---------+---------+------- 2 -4,008 -2,100 -0,192 (-----*-----) 3 -6,508 -4,600 -2,692 (------*-----) --+---------+---------+---------+------- -6,0 -3,0 0,0 3,0 реклама = 2 subtracted from: реклама Lower Center Upper --+---------+---------+---------+------- 3 -4,408 -2,500 -0,592 (------*-----) --+---------+---------+---------+------- -6,0 -3,0 0,0 3,0 Fisher 95% Individual Confidence Intervals All Pairwise Comparisons among Levels of реклама Simultaneous confidence level = 88,07% реклама = 1 subtracted from:
реклама Lower Center Upper -+---------+---------+---------+-------- 2 -3,678 -2,100 -0,522 (----*----) 3 -6,178 -4,600 -3,022 (-----*----) -+---------+---------+---------+-------- -6,0 -3,0 0,0 3,0 реклама = 2 subtracted from:
реклама Lower Center Upper -+---------+---------+---------+-------- 3 -4,078 -2,500 -0,922 (-----*----) -+---------+---------+---------+-------- -6,0 -3,0 0,0 3,0
Рисунок 1 – Графики остатков
Рисунок 2 – График прямоугольных диаграмм ______________________________________________________________________________________________________________________________________________________________________________________________________
Рисунок 3 – Индивидуальные графики значений ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Таблица 3 – Результаты однофакторного дисперсионного анализа
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