In the textbook discussion of the fourth principle of the...

In the textbook discussion of the fourth principle of the FOCUS model, research was presented that shows in America, the length of your life might depend on ____________________________. a. your education level and what racial group you belong to b. None of the answers are correct. c. where you reside and what racial group you belong to d. your marital status and what racial group you belong to e. All of the answers are correct.

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00:01 Hello students, in this question we have to determine which of the given demographic variables are categorical variables.

00:07 Now we know that there are two types of variables.

00:09 One is the numerical variable and another is the categorical variable.

00:22 And again this numerical variable is again divided into two types.

00:27 That is one is the discrete variable and the other one is continuous variable.

00:38 Now this numerical variable it is also called as the quantitative and categorical variable is the qualitative variable.

00:46 That means this variable described only characteristics or the variables are divided into different groups.

00:56 Whereas in the numerical variables it is the variable which we can measure in numbers.

01:04 Now in the question we have given the first variable is the age.

01:10 Now we know that as age can take as the variable age can take any value any value within a range within a range that is for example age can be between 0 to 100 years old years old.

01:40 So that means the variable age can take the numerical values or it can be a measured.

01:46 So therefore this is nothing but the numerical variable and it is a continuous variable.

01:52 So therefore we can write that age is a continuous variable.

02:05 Then the next variable is blood group...

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