Question

For the following variables, please indicate whether the data are discrete, continuous or categorical and explain why. If you also think it is appropriate, you may explain your reasoning too. (2 points each).

1. Number of migraines in a month

2. Body Mass Index (BMI)

3. Count of bacterial meningitis cases among college students in the US in 2016

4. Family history of breast cancer (yes/no)

5. Socioeconomic status classification of Pennsylvania population (low, medium, high)

Answer 1

(1)

Number of migraines in a month : Discrete,

because Number of migraines in a month can take only integer values.

(2)

Body Mass Index (BMI) :Continuous,

because Body Mass Index (BMI) can take any value in a given interval

(3)

Count of bacterial meningitis cases among college students in the US in 2016 : Discrete,

because Count can take only integer values.

(4)

Family history of breast cancer: Categorical

because Family history of breast cancer cannot have numericl values. Only values are Yes/ No

(5)

Socioeconomic status classification of Pennsylvania population: Categorical

because Socioeconomic status classification of Pennsylvania population cannot have numericl values. Only values are low, medium, high