Which Statement Is Not True About the Constant B in the Bivariate

question 49

Multiple Choice

Which statement is not true about the constant b in the bivariate regression equation Ŷ _i = a + bX_i?

• A)It is usually referred to as the non-standardized regression coefficient.
• B)It is the slope of the regression line and it indicates the expected change in Y when X is changed by one unit.
• C)It is the intercept of the regression line and it indicates the value of Y when X is zero.
• D)It may be computed as b=COV_xy/S_x².

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Definitions:

Null Hypothesis

A default hypothesis that there is no effect or no difference, and any observed deviation is due to random chance.

Expected Counts

In statistics, the predicted number of times an event is to occur in a study or experiment based on probability.

Cell Counts

Cell counts refer to the process of counting the number of cells in a given volume, commonly used in biology and medicine to assess cell concentration or density.

SPSS Output

The results and summaries generated by SPSS (Statistical Package for the Social Sciences), a software used for statistical analysis.