Which of the Following Statements Are Not True

question 68

Multiple Choice

Which of the following statements are not true?

• A) The way to incorporate a qualitative (categorical) variable with three possible categories into a regression model is to define a single-numerical variable with coded values such as 0, 1, and 2 corresponding to the three categories.
• B) Incorporating a categorical variable with c possible categories into a multiple regression model requires the use of c-1 indicator variables.
• C) The positive square root of the coefficient of multiple determination is called the multiple correlation coefficient R.
• D) All of the above statements are true.
• E) None of the above statements are true.

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Definitions:

Natural Experiments

An empirical study in which the conditions of the study are determined by nature or by other factors outside the control of the investigators, but the process allows for the interpretation of causal relationships.

Wages, Rent, And Profit

These are components of income distribution in economics, with wages paid to labor, rent earned from land, and profit derived from capital investment.

Scientific Thinking

A method of inquiry that involves observing phenomena, asking questions, forming hypotheses, conducting experiments, and drawing conclusions based on evidence.

Assumptions

Conditions or principles that are taken as true or as certain to happen, without proof, for the purpose of argument or investigation.