Please help

Which three variables would be measured on a nominal scale?

• socioeconomic status
• typing speed
• nationality
• assertiveness
• religious affiliation
• speaking ability
• favourite food
• musical ability
• year of birth
• age

Question 2:

Which option from Q1 best illustrates an interval but not ratio scale?

Question 3:

Which two variables in Q1 are most likely to be measured by a ratio scale?

Question 4:

Can observations on an interval or ratio scale be converted to an ordinal scale (ranks)?