I a Variable Whose Possible Outcomes Are Coded as a "1

question 123

Multiple Choice

i. A variable whose possible outcomes are coded as a "1" or a "0" is called a dummy variable.
ii. If the null hypothesis β4 = 0 is not rejected, then the independent variable X4 has no effect in
Predicting the dependent variable.
iii. A dummy variable is added to the regression equation to control for error.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

---

Definitions:

Dividends Payable

The amount of dividends that a corporation is committed to pay out to its shareholders at a specified date.

Effect Size

A quantitative measure of the magnitude of the experimental effect, indicating the practical significance of a difference.

Sample Size

The number of observations or individual elements selected from a population to be included in a study or experiment.

Effect Size

A metric that assesses the extent of a phenomenon or the robustness of the link between variables.