An econometric model is a multiple linear regression model if  Select one: a. it explains y as a linear function of several x , the explanatory variables  b. none of the answers is correct  c. it explains the average value of y as a  linear function of several explanatory variables  d. it explains the average of y as a function of several x  e. it explains the sample mean of y as a function, linear in the parameters , of several x

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A: To identify: The class boundaries

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Q: xpress the confidence interval (75.8%,83%) in the form of ˆp ± ME _____% ± ______ %

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A:

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A:

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Q: Express the confidence interval (660.1,710.7) in the form of ¯x ± ME ¯x ± ME= _____ ± ______

A: The given confidence interval is (660.1, 710.7).

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