You want to see if average life expectancy differs by occupation and within occupations by race. Race should be the _____ when setting up the Means procedure. A) dependent variable B) 1^st layer independent variable C) 2^nd layer independent variable D) 3^rd layer independent variable

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Race should be considered the 2nd layer independent variable because the primary focus is on occupation (the 1st layer independent variable), and within each occupation, the analysis looks at differences by race.

You Want to See If Average Life Expectancy Differs by Occupation