FUNDAMENTALS OF COMPUTER

DATABASE FUNDAMENTALS

TYPES OF DATA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Identify the kind of variable in this situation:number of chairs in room 201
A
nominal
B
ordinal
C
discrete
D
continuous
Explanation: 

Detailed explanation-1: -Examples of discrete quantitative variables are number of needle punctures, number of pregnancies and number of hospitalizations. For these examples, positive whole numbers are the only possible values (i.e., it is not possible to have 1.5 pregnancies).

Detailed explanation-2: -Height, weight, response time, subjective rating of pain, temperature, and score on an exam are all examples of quantitative variables.

Detailed explanation-3: -Qualitative variables are those that express a qualitative attribute such as hair color, eye color, religion, favorite movie, gender, and so on. The values of a qualitative variable do not imply a numerical ordering.

Detailed explanation-4: -Quantitative variables may be discrete or continuous. Discrete variables can only take on a limited number of values (e.g., only whole numbers) while continuous variables can take on any value and any value between two values (e.g., out to an infinite number of decimal places).

There is 1 question to complete.