Question 1

Which of the following is an example of qualitative data?

Accepted Answer

The eye color of survey participants

Question 2

A researcher records the birthplaces of 100 athletes. What is the level of measurement for this data?

Accepted Answer

Nominal

Question 3

Which of the following statements best describes the interval level of measurement?

Accepted Answer

Data can be categorized, ordered, and differences are meaningful, but there is no true zero.

Question 4

A list of the top five movies ranked by box office revenue is an example of which level of measurement?

Accepted Answer

Ordinal

Question 5

Which of the following data sets is at the ratio level of measurement?

Accepted Answer

Monthly rainfall in inches

Question 6

Why is temperature in Fahrenheit considered interval data and not ratio data?

Accepted Answer

Because zero degrees does not represent the absence of temperature

Question 7

A survey asks respondents to select their favorite type of cuisine: Italian, Chinese, Mexican, or Indian. What is the level of measurement?

Accepted Answer

Nominal

Question 8

Which of the following allows for meaningful ratios between data values?

Accepted Answer

Ratio level

Question 9

A researcher measures the heights of plants in centimeters. Which level of measurement is this?

Accepted Answer

Ratio

Question 10

Which of the following is NOT a characteristic of ordinal data?

Accepted Answer

Differences between data entries are meaningful

Question 11

A hospital records the number of patients treated for head injuries in each department. What type of data is this?

Accepted Answer

Quantitative

Question 12

Which of the following real-world examples best illustrates the use of ratio data?

Accepted Answer

Measuring the weight of produce sold at a market

Question 13

If a data set allows you to determine whether one value is twice as large as another, which level of measurement does it represent?

Accepted Answer

Ratio

Question 14

Which of the following is a key difference between interval and ratio levels of measurement?

Accepted Answer

Ratio data has a true zero, while interval data does not

Question 15

A list of cities organized by population size (from smallest to largest) is an example of which level of measurement?

Accepted Answer

Ordinal

Question 16

Which of the following is a valid operation for data at the interval level but not at the nominal level?

Accepted Answer

Arranging data in order

Question 17

A researcher collects the following data: 1 = Yes, 2 = No, 3 = Maybe. What is the level of measurement?

Accepted Answer

Nominal

Question 18

Which of the following best describes why the difference between 80°F and 40°F is meaningful, but the ratio is not?

Accepted Answer

Because temperature in Fahrenheit is at the interval level

Question 19

A teacher records the letter grades (A, B, C, D, F) for a class. What is the level of measurement?

Accepted Answer

Ordinal

Question 20

Which of the following scenarios involves quantitative data?

Accepted Answer

Counting the number of books read by each student

Data Classification and Levels of Measurement in Statistics

Study Guide - Practice Questions