Math Reviewer: Data & Statistics

Which of the following is qualitative data?

• Age of students

• Height in centimeters

• Favorite subject

• Number of books in a library

The weight of a person is an example of:

• Qualitative data

• Quantitative continuous data

• Quantitative discrete data

• Nominal data

The number of siblings a person has is an example of:

• Qualitative data

• Quantitative continuous data

• Quantitative discrete data

• Ratio data

Which type of data uses descriptions or categories instead of numbers?

• Quantitative

• Ratio

• Ordinal

• Qualitative

What scale of measurement is used for “blood type: A, B, AB, O”?

• Nominal

• Ordinal

• Interval

• Ratio

Class rankings (1st, 2nd, 3rd, etc.) are examples of:

• Nominal

• Ordinal

• Interval

• Ratio

Which scale of measurement does temperature in Celsius belong to?

• Ratio

• Ordinal

• Interval

• Nominal

A person’s age in years is measured at what scale?

• Ordinal

• Ratio

• Interval

• Nominal

A researcher asks 100 people to answer a set of written questions. This technique is called:

• Interview

• Questionnaire/Survey

• Observation

• Experiment

A scientist studies the growth of plants by changing the type of fertilizer used. This method is:

• Interview

• Observation

• Experiment

• Use of documents