Y12 EC Unit 1 Data Science Week 1 PreQuiz

Which of the following is an example of qualitative data?

• Height of a person

• Number of pets in a household

• Favorite color

• Temperature

Quantitative data is best described as:

• Descriptions or characteristics

• Non-numerical information

• Data that can be measured and expressed numerically

• Subjective information

Which type of data is typically collected through surveys that ask for opinions or preferences?

• Quantitative data

• Qualitative data

• Continuous data

• Discrete data

Qualitative data can be categorized as:

• Numerical and discrete

• Subjective and descriptive

• Always accurate

• Continuous and measurable

Which of the following is a data type commonly used for quantitative data?

• Text

• Integer

• Boolean

Which data type would best represent a person's eye color?

• Integer

• Float

• String

• Boolean

Data types used to represent quantitative data include:

• Strings and booleans

• Integers and floats

• Categories and labels

• Text and characters

Qualitative data is often represented using which data type?

• Boolean

• Integer

• String

• Float

What level of measurement applies to data categorized by names or labels, without any order?

• Nominal

• Ordinal

• Interval

• Ratio

Which level of measurement involves data that can be ranked or ordered but without meaningful intervals between values?

• Nominal

• Ordinal

• Interval

• Ratio