In Regression Analysis, If the Coefficient of Correlation Is -1

question 185

Short Answer

In regression analysis, if the coefficient of correlation is -1.0, then: $\begin{array}{|l|l|}\hline A&\text {the sum of squares for error is -1.0 . }\\\hline B&\text {the sum of squares for regression is 1.0 . }\\\hline C&\text { the sum of squares for error and sum of squares for regressi on are equal.}\\\hline D&\text { the sum of squares for regression and total variation in \( y \) are equal.}\\\hline \end{array}$

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Definitions:

Product Line Extension

The introduction of additional items in a given product category under the same brand name, often varying in size, flavor, or related attributes, to cater to different consumer needs or preferences.

Market Segment

A subgroup within a larger market, defined by its own unique preferences or characteristics, targeted by marketers for specific strategies.

Product Line Extension

This involves adding new products to an existing range to attract more customers or meet their varying needs.

Product Class

A broad category of products that serve a similar function or are used in a similar manner.