Exhibit 17

question 113

Multiple Choice

Exhibit 17.5.An over-the-counter drug manufacturer wants to examine the effectiveness of a new drug in curing an illness most commonly in older patients.Thirteen patients are given the new drug and 13 patients are given the old drug.To avoid bias in the experiment,they are not told which drug is given to them.To check how the effectiveness depends on the age of patients,the following data has been collected. Assuming the variables: Effectiveness = the response variable measured on a scale from 0 to 100,
Age = the age of a patient (in years) ,
Drug = a binary variable with 1 for the new drug,and 0 for the old drug,the regression model,
Effectiveness = β₀ + β₁Age + β₂Drug + β₃Age × Drug,is considered,and the following Excel results are available: Refer to Exhibit 17.5.What is the predicted effectiveness of the old drug for a 62 years old patient?

• A)21.08
• B)64.48
• C)68.12
• D)70.66

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Definitions:

Defense Mechanism

Unconscious tactics employed to shield oneself from the distress caused by undesirable thoughts or emotions.

Projection

A defense mechanism where an individual attributes their own unacceptable thoughts, feelings, or motives to another person.

Dishonest

Pertains to the act of being untruthful or misleading in one's interactions or statements.

Defense Mechanism

Mental mechanisms used subconsciously to shield oneself from the distress caused by thoughts or emotions that are not socially acceptable.