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The following estimated regression equation based on 10 observations was presented. y = 26.1270 + 0.6906x, + 0.3980X, (a) Develop a point estimate of the

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The following estimated regression equation based on 10 observations was presented. y = 26.1270 + 0.6906x, + 0.3980X, (a) Develop a point estimate of the mean value of y when x, = 160 and x, = 320. (b) Develop a point estimate for an individual value of y when x, = 160 and x, = 320

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