data types

Question 1

Define nominal data level

Answer 1

• Labels or names used to identify an attribute of the element.
• Data cannot be ordered

Question 2

Define interval data level

Answer 2

• Data shows the properties of ordinal data
• Interval between the values is expressed in terms of a fixed unit of measure
• Always numeric
  example: temperature

Question 3

define ordinal data level

Answer 3

• Numbers/categories are used to indicate a rank or order.
• Relative magnitudes are meaningful.
  example: Survey responses that scale attitudes towards a business from 1 to 5

Question 4

define ratio data level

Answer 4

• Has properties of interval data
• The location of origin is zero – nothing exists for the variable at the zero point
• Variables such as height, time, and weight