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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。

IMG_20210725_022308_2.jpg

 

 

 

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：

IMG_20210725_033130_2.jpg

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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