Data Classification

How do you feel today? 1 = happy, 2 = content, 3 = sad

• Nominal

• Ordinal

• Interval

• Ratio

Answer explanation

The question asks for feelings ranked from 1 to 3, indicating a clear order of emotions. This makes the answer choices ordinal, as they represent a ranked order without a consistent scale between them.

How do you rate our service? 1 = very satisfied, 2 = somewhat satisfied, 3 = neutral, 4 = somewhat dissatisfied, 5 = very dissatisfied

• Nominal

• Ordinal

• Interval

• Ratio

Answer explanation

The rating system uses ordered categories (1 to 5) indicating levels of satisfaction. This makes it ordinal, as the values have a meaningful order but do not represent equal intervals or a true zero point.

Tags

CCSS.HSS.ID.B.5

What is your gender? M = male, F = female

• Nominal

• Ordinal

• Interval

• Ratio

Answer explanation

The question asks for gender, which is a categorical variable with no inherent order. Therefore, the correct classification is nominal, as it simply names categories (M or F) without ranking.

Tags

CCSS.HSS.ID.B.5

CCSS.HSS.CP.A.4

What is your hair color? 1 = blonde, 2 = red, 3 = brown, 4 = black

• Nominal

• Ordinal

• Interval

• Ratio

Answer explanation

The hair color options are ranked (1 to 4), indicating an order of preference or classification, making it an ordinal variable. Nominal would not imply order, while interval and ratio require numerical significance.

Tags

CCSS.HSS.ID.B.5

Where do you live?

• Nominal

• Ordinal

• Interval

• Ratio

Answer explanation

The question "Where do you live?" asks for a location, which is a categorical variable. This makes the correct answer 'Nominal', as it represents distinct categories without any inherent order.

Preheat the oven to 350 degrees.

• Nominal

• Ordinal

• Interval

• Ratio

Answer explanation

The temperature scale is an interval scale because it has equal intervals between values (e.g., 350 degrees is 50 degrees higher than 300 degrees), but it does not have a true zero point (0 degrees does not mean no temperature).

Record your height.

• Nominal

• Ordinal

• Interval

• Ratio

Answer explanation

Height is measured on a scale with a true zero point, making it a ratio variable. Unlike nominal or ordinal data, ratio data allows for meaningful comparisons and calculations, such as determining how much taller one person is than another.

He weighed 105 kilograms

• Nominal

• Ordinal

• Interval

• Ratio

Answer explanation

The weight of 105 kilograms is a measurable quantity with a true zero point, making it a ratio scale. Unlike nominal or ordinal scales, ratio scales allow for meaningful comparisons and calculations.

Tags

CCSS.HSN.Q.A.1

He wore jersey number 24 to honor his mother.

• Nominal

• Ordinal

• Interval

• Ratio

Answer explanation

The jersey number 24 is a label used to identify a player, making it a nominal variable. It does not have a meaningful order or scale, distinguishing it from ordinal, interval, or ratio types.

How much education did your grandmother have? 0 = less than high school, 1=some high school, 2 = high school graduate, 4 = some college, 5 = college degree

• Nominal

• Ordinal

• Interval

• Ratio

Answer explanation

The education levels are ranked from less than high school to a college degree, indicating a clear order. Therefore, this data is classified as ordinal, as it reflects a sequence of categories with a meaningful order.