Which expression below shows a 30% discount followed by a 20% increase? A: (0.7x)(1.2)
B: (0.3x)(1.2)
C: (1.2x)(0.7)
D: (0.3x)(0.8)

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c

Step-by-step explanation:

1.2 0.4. NS. Pure error 15 42.0 2.8. No significant lack of fit. 3b. Yes. 4a. ... D. First note that the sum of squares function for the no-intercept model is ... {2: (Xi - X)(Yi - Y)F _ SS(Rlho) _ 2 ... The plot of the residuals against Y indicates the omission of the f30 term in the model. 4. ... C. A is 2 X 3, b is 2 X 1, C is 2 X 2, D is 3 X 3.

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