Variables, Z Scores, Population and Output RESPONSE DB 820
D2.1 Working with Variables. a) Compare and contrast nominal, dichotomous, ordinal, and normal variables.
b) In social science research, why isn’t it important to distinguish between interval and ratio data?
a) Compare and contrast nominal, dichotomous, ordinal, and normal variables.
b) In social science research, why isn’t it important to distinguish between interval and ratio data?
a) How do z scores relate to the normal curve?
b) How would you interpret a z score of ‐3.0? c) What percentage of scores is between a z of ‐2 and a z of +2? Why is this important?
