Question 1

Which level of measurement best describes the chili pepper scale shown in the image (ranging from green to flaming red peppers)?

Accepted Answer

Ordinal

Question 2

Which of the following is an example of quantitative data?

Accepted Answer

Number of followers on a social media account

Question 3

A researcher assigns numbers to account types (1 for personal, 2 for business, etc.). What type of data is this?

Accepted Answer

Categorical

Question 4

Which of the following best describes discrete data?

Accepted Answer

Data with gaps between possible values, such as the number of likes on a post

Question 5

Which of the following is an example of a ratio level of measurement?

Accepted Answer

Number of days above the mean temperature in a year

Question 6

In a study, researchers record the diets of participants and compare health outcomes without manipulating any variables. What type of study is this?

Accepted Answer

Observational study

Question 7

Which of the following statements is TRUE regarding observational studies?

Accepted Answer

They can only demonstrate associations between variables.

Question 8

A researcher wants to estimate the average number of sick days taken by all Canadian workers in 2024. She collects data from 500 randomly selected workers. What is the population in this scenario?

Accepted Answer

All Canadian workers

Question 9

Which of the following variables from the temperature data matrix is best classified as nominal?

Accepted Answer

Location type (Land, Sea, Air)

Question 10

Which of the following best describes interval data?

Accepted Answer

Data with equal spacing between values but no true zero

Question 11

Suppose you are analyzing the heights of students in a class. Which type of data are you working with?

Accepted Answer

Continuous quantitative

Question 12

Which of the following is an example of ordinal data?

Accepted Answer

Chili pepper spiciness scale (as shown in the image)

Question 13

A statistic is:

Accepted Answer

A number that describes a sample

Question 14

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

Accepted Answer

Zero is an arbitrary point

Question 15

If a researcher randomly assigns participants to receive either a new medication or a placebo, what type of study is being conducted?

Accepted Answer

Experiment

Question 16

Which of the following best describes the variable 'General Description of Typical Temperatures' (e.g., Hot, Moderate, Frigid, Cool, Cold) in the temperature data matrix?

Accepted Answer

Ordinal

Question 17

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

Accepted Answer

Ratio data has a true zero, interval data does not

Question 18

A researcher collects the jersey numbers of hockey players. What type of variable is this?

Accepted Answer

Nominal

Question 19

Which of the following is an example of a population parameter?

Accepted Answer

The average number of sick days taken by all Canadian workers in 2024

Question 20

Which of the following best describes the process of using sample statistics to estimate population parameters?

Accepted Answer

Inferential statistics

Classifying Data: Types, Levels of Measurement, and Study Designs

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