In order to rate tv shows, phone surveys are sometimes used. such a survey might record several variables, some of which are listed below. which of these variables are categorical?
a) the number of persons watching the show
b) the ages of all persons watching the show
c) the number of times the show has been watched in the last month
d) the name of the show (if any) being watched

Option D is the categorical variable.

Step-by-step explanation:

Categorical variables are those that are not numerical. Like the data set containing peoples eyes color.

A) the number of persons watching the show  - Not categorical.

B) the ages of all persons watching the show  - Not categorical.

C) the number of times the show has been watched in the last month  - Not categorical.

D) the name of the show (if any) being watched - Categorical.

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)