Statistics

Question 1

What types of measurement are classified into mutually exclusive groups or categories but lack intrinsic order? Example: zoning classification, SSN, sex

Answer 1

Nominal Data

Question 2

This data set is ordered categories that imply rank like a letter grade, suitability for development, and response scales on a survey?

Answer 2

Ordinal Data

Question 3

What is a type of data that has an ordered relationship where the difference between the scales has a meaningful interpretation? An example would be temperature

Answer 3

Interval data

Question 4

What is a data set that is considered the gold standard of measurement where both absolute and relative differences have meaning? Example would be a distance measure, i.e. miles

Answer 4

Ratio data

Question 5

Generally speaking there are 3 important steps in statistical process: 1 ________ data (e.g. surveys), 2 _________ the distribution of the values in a dataset and 3 __________ by means of inferential statistics and statistical modeling?

Answer 5

1. Collect
2. Describe and summarize
3. Interpret

Question 6

What is a mathematical representation of a concept and thus also of the measurement of that concept?

Answer 6

Variable

Question 7

What variable relates or represents interval or ratio measurement e.g. Household income or level of a pollutant in a river?

Answer 7

Quantitative variable

Question 8

What variable corresponds to nominal or ordinal measurement, e.g zoning classification?

Answer 8

Qualitative variable

Question 9

What are the 4 types of measurement?

Answer 9

Nominal data
Ordinal data
Interval data
Ratio data