Stat ch 1.2

qualitative data

consists of attributes, labels, or nonnumerical entries

examples of qualitative data

major, place of birth, eye color are which type of data

quantitative data

numerical measurements or counts

examples of quantitative data

age, weight of a letter, temperature are which type of data

qualitative data

ordinal and nominal

qualitative

names of vehicle models

quantitative

suggested retail price of vehicles

nominal level of measurement

qualitative data only; categorized using names, labels, or qualities; NO mathematical computations can be made

ORDINAL level of measurement

qualitative or quantitative data; data can be arranged in order, or ranked; differences between data entries is not meaningful

Ordinal level

list of top 5 TV programs

nominal level

list of call letters (Names) of each network affiliate

Interval level of measurement

quantitative data; data can be ordered; differences between data entries is meaningful; zero represents a position on a scale NOT an inherent zero- zero DOES NOT imply "none

ratio level of measurement

similar to interval level; zero entry IS an inherent zero (implies "none"); a ratio of two data values can be formed; one data value can be expressed as a multiple of another

example of Interval level

years that the Yankees won the World Series

example of ratio level

2009 American League Home Run Totals (by Team)

nominal

family history of illness" & "disabilities

ratio level

time since last visit" on a physician's intake form

interval level

year of birth

ordinal

happiness level (scale of 0-10)" & "pain level (scale of 0-10)