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true or false? 16) Reliance on expert opinion to predict consumer behavior has the advantage of...

true or false?

16) Reliance on expert opinion to predict consumer behavior has the advantage of being a relatively low cost approach to gathering information. In many situations, however, it is subject to several sources of bias that can undermine its reliability.
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17) Cross-section data observed at several points in time are called inverted data.
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18) The coefficient of determination is the proportion of the variation that is not explained by the regression model.
Answer:

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