After Quitting Smoking,approximately How Long Does It Take an Ex-Smoker's

question 126

Multiple Choice

After quitting smoking,approximately how long does it take an ex-smoker's risk of lung cancer to drop to half of a continuing smoker's?

• A)6 months
• B)1 year
• C)5 years
• D)10 years

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Definitions:

Indicator Variables

These are binary variables in a statistical model that take on values of 0 or 1 to indicate the absence or presence of a specific characteristic or attribute.

Omitted Category

In statistical modeling, it refers to a category or group within a variable that is excluded from analysis, often serving as a baseline against which other categories are compared.

Dummy Variables

Numerical variables used in regression analysis to represent subgroups of the sample in a binary form.

Indicator Variable

A variable used in statistics that takes the value 1 to indicate the presence of a certain condition and 0 to indicate its absence.