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

question 16

Multiple Choice

i. A variable whose possible outcomes are coded as a "1" or a "0" is called a dummy variable.
ii. A dummy variable is added to the regression equation to control for error.
Iii) If the null hypothesis ?4 = 0 is not rejected, then the independent variable X4 has no effect in predicting the dependent variable.

• 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) All statements are false

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Definitions:

Serving Size

The standardized amount of food or drink recommended to be consumed in one sitting, often used for nutritional labeling and guidelines.

Basal Metabolic Rate

The rate of energy utilisation by the body while idle, necessary for maintaining key bodily functions like breathing and thermal regulation.

Body Mass Index

An index that calculates body fat using an individual's weight and height, suitable for both adult males and females.

Set Point

A theory suggesting that each individual has a genetically determined range of weight and temperature that their body will try to maintain to stay at optimal health.