題233(清大科管) The sales volume (In thousand dollars) for three different types of in-store promotions is shown below. To test the effect of in-store promotion on sales please fill the one-way ANOVA table. Sales Volume for Three of Store Promotions Promotion-Type 1: 3 4 5 6 Promotion-Type 2: 6 7 8 9 Promotion-Type 3: 4 4 8 8
ANOVE TABLE
Source | df | SS | MS | F |
Treatment | (A) | (D) | (G) | (I) |
Error | (B) | (E) | (H) | |
Total | (C) | (F) |
三種不同類型的店內促銷的銷售額(以千美元計)如下所示。 要測試店內促銷對銷售的影響,請填寫單向ANOVA分析表。
In an experiment to investigate the.pcrfonnance of four different brands of tires for 125-cc motorcycles, five tires of each brand were tested and number of miles until failure was observed. A partially completed ANOVA table is given:
Source of variation | df | Sum of Squares | Mean Square | F |
Treatment | ||||
Error | 235419 | |||
Total | 310501 |
(1) Complete the ANOVA table?
⑵ Perform the appropriate test of hypotheses using a = 0.05 and interpet your results.
在研究用於 125 cc 摩托車的四個不同品牌輪胎的性能的實驗中,測試了每個品牌的五個輪胎,並觀察了直至失效的里程數。 給出了一個部分完成的方差分析表:
題233(暨南資管)
Please fill and complete the following ANOVA table
Source | Sum of Squares | Degree of Freedom | Mean Square | F |
Raw | 24 | 2 | (e) | (g) |
Column | 30 | (b) | 10 | (h) |
Error | (a) | (c) | (f) | |
Total | 58 | (d) |
答:
(a)=58-30-24=4
(b)=30/10=3
(c)=(r-1)(c-1)=2*3=6
(d)=rc-1=3*4-1=11
(e)=24/2=12
(f)=SSE/[(r-1)(c-1)]=2/3
(g)=MSR/MSE=12/(2/3)=18
(h)=MSC/MSE=10/(2/3)=15
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