FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -The year of birth variable should be measured on an interval scale because year of birth is an ordered data and the difference between any two years is same in significance.

Detailed explanation-2: -An interval-scale variable is measured on a scale of equally spaced units, but without a true zero point, such as date of birth. A ratio-scale variable is an interval variable with a true zero point, such as height in centimeters or duration of illness.

Detailed explanation-3: -Examples of interval level data include temperature and year.

Detailed explanation-4: -Calendar years are another example of an interval measurement.