Data Measurement and Classification (Data Presentation and Analysis)

Question 1

Nominal

Answer 1

Categorical data, classifies into numbers, letters, or text strings
Qualitative-no mathematical operations can be performed only equality or inequality can be determined

Question 2

Ordinal

Answer 2

Rank, Least to most or most to least. Weakly quantitative

Magnitude of difference is unknown

Question 3

Interval

Answer 3

Numerical scales in which intervals are known and have the same interpretation throughout

Question 4

Ratio

Answer 4

Same as interval, but magnitude of distance is absolute, with a known and meaning starting point of zero such as kelvin degree, quantitative- permits most sophisticated statistical tests, more common than interval data