Exploring Statistical Concepts

Statistics

This quiz tests foundational knowledge of statistics, covering concepts like data types, measures of central tendency, dispersion, and basic probability, relevant to a teenage audience.

data probability measures analysis

12 Questions Medium Ages 13+ Jul 22, 2026

Practice Test PDF Answer Key PDF

Choose a Study Format

Quiz

Test your knowledge with multiple-choice questions and instant feedback.

Flashcards

Flip through cards to review terms, definitions and key concepts.

True or False

Quickly decide if statements are true or false to reinforce understanding.

Match Game

Race against time to match questions with their correct answers.

Study Guide

Read through all topics and answers as a comprehensive study reference.

Listen Mode

Listen to questions and answers read aloud — great for audio learners on the go.

Embed This Study Set

Add this interactive study set to your website or blog — all 6 formats included.

<div data-quixly-id="4527"></div>
<script src="https://www.quixlylearn.com/assets/embed/widget.js"></script>

Learn more about embedding →

About this Study Set

This study set covers Statistics through 12 practice questions. This quiz tests foundational knowledge of statistics, covering concepts like data types, measures of central tendency, dispersion, and basic probability, relevant to a teenage audience. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 12 questions from the Exploring Statistical Concepts study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which of the following is an example of categorical data?

A The height of a student in centimeters
B The number of goals scored in a soccer match
C The colour of a car
D The temperature in degrees Celsius

2 What is the median of the following dataset: 5, 12, 8, 15, 10?

A 8
B 10
C 9
D 12

3 If a dataset has a mean of 75 and a standard deviation of 10, what does the standard deviation represent?

A The average value of the data points
B The most frequent value in the dataset
C The spread or dispersion of the data points around the mean
D The total sum of all data points

4 In probability, what is the sum of probabilities for all possible outcomes of an event?

A Less than 1
B Exactly 0
C Exactly 1
D Greater than 1

5 What does a positive correlation between two variables indicate?

A As one variable increases, the other variable decreases
B As one variable increases, the other variable also tends to increase
C There is no relationship between the two variables
D One variable causes the other to change

6 Which statistical measure is most affected by outliers?

A Median
B Mode
C Range
D Mean

7 What is the mode of the dataset: 2, 3, 3, 4, 5, 5, 5, 6?

8 A fair six-sided die is rolled. What is the probability of rolling a number greater than 4?

A 1/6
B 2/6
C 3/6
D 4/6

9 What type of data is collected through surveys asking for opinions on a scale of 1 to 5?

A Nominal data
B Ordinal data
C Interval data
D Ratio data

10 The range of a dataset is calculated by:

A Adding the smallest and largest values
B Subtracting the smallest value from the largest value
C Finding the average of the smallest and largest values
D Counting the number of values in the dataset

11 If the probability of event A happening is 0.7, what is the probability of event A NOT happening?

A 0.3
B 0.7
C 1.0
D 1.7

12 Which of the following is a measure of dispersion?

A Mean
B Median
C Interquartile Range
D Mode

📱

Study on the go

Download Quixly and access all study formats on your phone — anywhere, anytime.