Graphs

Question 1

Nominal scale

Answer 1

• This type of variable consists of different arbitrary categories
as the outcome variable
• Categorical data
• Arbitrary: can’t be ordered or distinctly valued

Question 2

Ordinal scale

Answer 2

• Type of variable where the order of values is significant
• However, the distance between values is unknown
  
  • Rating: Hard, medium, easy

Question 3

Interval scale

Answer 3

Values on the measure can be ordered AND the differences between units (intervals) on the measure are equal and meaningful

Question 4

Ratio scale

Answer 4

Same as interval scale but now you have meaningful ratio’s between units; has absolute zero