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 level of measurement is this data?

Accepted Answer

Nominal

Question 3

Which of the following statements best describes quantitative data?

Accepted Answer

It consists of numerical measurements or counts.

Question 4

A list of movie genres (Action, Comedy, Drama, Horror) is collected from survey respondents. What is the level of measurement?

Accepted Answer

Nominal

Question 5

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

Accepted Answer

The years in which the New York Yankees won the World Series

Question 6

Which property distinguishes the ratio level of measurement from the interval level?

Accepted Answer

Zero is an inherent zero, allowing ratios to be formed

Question 7

A hospital records the number of head injuries treated in the emergency room for each sport. What type of data is 'number of head injuries'?

Accepted Answer

Quantitative

Question 8

Which of the following is NOT a characteristic of data at the nominal level?

Accepted Answer

Data can be arranged in order

Question 9

A teacher ranks students as 'Excellent', 'Good', 'Average', and 'Poor' based on performance. What is the level of measurement?

Accepted Answer

Ordinal

Question 10

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

Accepted Answer

The weight of packages shipped by a company

Question 11

A scientist records the temperature in degrees Fahrenheit every hour. What is the level of measurement for this data?

Accepted Answer

Interval

Question 12

Which of the following statements is TRUE about interval level data?

Accepted Answer

Differences between data entries are meaningful

Question 13

A survey asks respondents to select their favorite color. What type and level of data is collected?

Accepted Answer

Qualitative, Nominal

Question 14

Which of the following allows for both subtraction and the formation of ratios between data values?

Accepted Answer

Ratio level

Question 15

A list of the top five occupations with the most job growth is provided. What level of measurement is this data?

Accepted Answer

Ordinal

Question 16

Which of the following is a multi-step process for classifying data in a medical study?

Accepted Answer

Identify if the data is qualitative or quantitative, then determine the level of measurement (nominal, ordinal, interval, ratio)

Question 17

Which formula would you use to check if a ratio can be formed between two data values $$x$$ and $$y at $$the ratio level?

Accepted Answer

$$\frac{x}{y}$$

Question 18

A researcher wants to compare the difference in years between two World Series victories. Which level of measurement is appropriate?

Accepted Answer

Interval

Question 19

Which of the following is a correct summary of the four levels of measurement?

Accepted Answer

Nominal: categories only; Ordinal: categories and order; Interval: order and meaningful differences; Ratio: order, differences, and ratios

Question 20

Which of the following real-world scenarios best illustrates ordinal level data?

Accepted Answer

Ranking runners as 1st, 2nd, and 3rd place in a race

Introduction to Statistics: Data Classification and Levels of Measurement

Study Guide - Practice Questions