Question 1

Which of the following is an example of qualitative data?

Accepted Answer

The brand names of running shoes in a consumer survey

Question 2

A researcher records the number of books each student reads in a year. What type of data is this?

Accepted Answer

Quantitative, discrete

Question 3

Which level of measurement is appropriate for the variable 'letter grades on an essay assignment' (A, B, C, D, F)?

Accepted Answer

Ordinal

Question 4

The temperature in Celsius is measured for several cities. What is the level of measurement for this data?

Accepted Answer

Interval

Question 5

Which of the following variables is measured at the ratio level?

Accepted Answer

Runners’ times in a marathon

Question 6

A survey asks people to rate their satisfaction with a service as 'very satisfied', 'satisfied', 'neutral', or 'dissatisfied'. What is the level of measurement?

Accepted Answer

Ordinal

Question 7

Which of the following best describes continuous data?

Accepted Answer

Data that can take any value within a given interval

Question 8

The numbers on the back of soccer players’ uniforms are used to identify them. What is the level of measurement for these numbers?

Accepted Answer

Nominal

Question 9

Which of the following statements about interval and ratio data is TRUE?

Accepted Answer

Ratios are meaningful for ratio data but not for interval data.

Question 10

A scientist measures the amount of milk produced by cows on a farm each day. What type and level of data is this?

Accepted Answer

Quantitative, continuous, ratio

Question 11

Which of the following is an example of discrete data?

Accepted Answer

The number of students present in a classroom

Question 12

Why is 0°C on the Celsius scale considered an arbitrary zero?

Accepted Answer

Because it is not the lowest possible temperature

Question 13

A hospital records the blood types of patients (A, B, AB, O). What is the level of measurement for this data?

Accepted Answer

Nominal

Question 14

Which of the following best describes the difference between ordinal and nominal data?

Accepted Answer

Ordinal data can be ranked, but nominal data cannot.

Question 15

A historian lists the years of major wars (e.g., 1914, 1939, 1950). What is the level of measurement for these years?

Accepted Answer

Interval

Question 16

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

Accepted Answer

It cannot be used for meaningful computations.

Question 17

A company tracks the number of defective products produced each day. What type and level of data is this?

Accepted Answer

Quantitative, discrete, ratio

Question 18

Which of the following is a real-world example of interval data?

Accepted Answer

The years in which Olympic Games were held

Question 19

A teacher records the final exam scores of students. What type and level of data is this?

Accepted Answer

Quantitative, discrete, ratio

Question 20

Which of the following best describes why the number of dairy cows on different farms is considered discrete data?

Accepted Answer

Because it can only take whole number values

Data Types and Levels of Measurement in Introductory Statistics

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