The researcher plans to use a normal distribution probabilli

The researcher plans to use a normal distribution probabillity model for the study statistical analysis. Which of the following variables in her dataset best fits the assumptions of the normal distribution model?

1. Ethnicity of the subject (Caucasian, African American, Hispanic, Asian, Pacific Islander)

2. Gender (male versus female) of the subject

3. Disease that caused death (stroke, heart attack, hemorrhage, pancreatic cancer)

4. Age at death

Solution

Among these options, the age at death is considered as continuous random variable. The death occurs at any time.

The last option is correct.