Levels of Measurement

Data can be ranked (i.e. Pps are assigned a number which shows how they compared to other people in their group)

• Nominal

• Ordinal

• Interval

• Ratio

Data that has is measure in standardised units but can have minus values

• interval

• nominal

• ordinal

• ratio

Data that is separated into categories

• nominal

• ordinal

• interval

• ratio

Data from a likert scale e.g. strongly agree to strongly disagree on a 7 point scale

• nominal

• ordinal

• interval

• ratio

hair color of women on high school tennis team

• Nominal
• Ordinal
• Interval
• Ratio

Tags

CCSS.HSS.ID.B.5

ages of students in a statistics class

• Nominal
• Ordinal
• Interval
• Ratio

temperatures of 22 selected refrigerators

• Nominal
• Ordinal
• Interval
• Ratio

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

number of pages in your statistic book

• Nominal
• Ordinal
• Interval
• Ratio

the ratings of a movie ranging from "poor" to "good" to "excellent"

• Nominal
• Ordinal
• Interval
• Ratio

Tags

CCSS.HSS.ID.B.5

the final grades (A, B, C, D, or F) for students in a chemistry class

• Nominal
• Ordinal
• Interval
• Ratio

Tags

CCSS.HSS.ID.B.5