Environmental to study concerning the manufacture

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Suppose the following data were obtained in an environmental to study concerning the manufacture of cakes which should be_ insensitive the temperature. T and the time t of baking. The cake mix employed different amounts of flour F, shortening, and egg powder E. The factors where vaned at two levels denoted by - and + in a factorial design with an intem1ediate value denoted by 0. The data are average scores of an hedonic index scaled from I to· 7 as judged by a taste panel.

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(a) What are the design factors?

(b) What are the environmental factors?

(c) Calculate the average y and standard deviation y for each of the nine designs (recipes). What do you conclude from your analysis?

Reference no: EM131832309

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