Inferential Statistics Quizzes, Questions & Answers

All Grades

Population and Sample Quizzes

This 5th Grade English Test assesses statistical understanding, focusing on concepts like population, sample, variables, and averages. It enhances students' abilities to analyze qu...

Questions: 21 | Attempts: 329 | Last updated: Oct 22, 2025

Sample Question
Read the word problem and answer question 1 and 2 Each year a factory makes 38,254 wooden toys. 312 toys are inspected to check quality. What is the population of the study?

The factory

The 312 toys

The 38.254 toys

The number of factory employees

Using Sample Data to Estimate Population Parameters Quiz

In this quiz, you’ll practice using sample data to estimate population parameters, including population means and proportions. You'll also work with margin of error and c...

Questions: 22 | Attempts: 18 | Last updated: Jan 23, 2026

Sample Question
A random sample of 40 students shows that 14 prefer studying in the morning. What is the best estimate of the proportion of all students who prefer morning study?

0.35

0.25

0.30

0.45

Understanding Populations and Samples Quiz

This quiz focuses on the basic concepts of populations and samples, and the differences between them. You'll explore how researchers select samples from populations and why sam...

Questions: 22 | Attempts: 16 | Last updated: Jan 23, 2026

Sample Question
A school principal wants to know the average number of books students read per year in the entire school. Which is the population?

The principal

A randomly selected 50 students

The students who join the book club

All students in the school

All Population and Sample Quizzes

Sampling Methods Quizzes

Statistics Final Exam: MCQ Quiz!

Do you think you could procure a good grade in the subject of statistics? Would you like to try it? In applying statistics to a question, it is a widespread practice to start a pop...

Questions: 94 | Attempts: 3960 | Last updated: Mar 21, 2025

Sample Question
A researcher wanted to estimate the average amount of money spent per semester on books by BYU students. An SRS of 100 BYU students were selected. They visited the addresses during the Summer term and had those students who were at home fill out a confidential questionnaire. This procedure is

Likely to be biased because students are less likely to be enrolled during the Summer term.

Unreliable because surveys are never as good as experiments.

Unreliable because the sample size should be at least 500

Unbiased because SRS was used to get the addresses.

Sampling & Bias

Explore the principles of sampling and bias through this engaging quiz. It assesses understanding of different sampling methods and types of bias, essential for statistical analysi...

Questions: 10 | Attempts: 2123 | Last updated: Jan 22, 2025

Sample Question
The Toronto Blue Jays want to survey their fans regarding a new promotion. They decide to survey 200 fans by using the same proportions of age groups (i.e. 5-16, 17-28, etc) as the population. Classify the sampling method.

Simple Random

Systematic

Stratefied

Cluster

Chapter 1: Introduction to Statistics

This quiz in 'Chapter 1: Introduction to Statistics' assesses understanding of basic statistical concepts. It covers sampling techniques, experiment types, data measurement levels,...

Questions: 8 | Attempts: 1880 | Last updated: Mar 18, 2025

Sample Question
Identify the sampling technique used. Every fifth person boarding a plane is searched thoroughly.

Stratified

Systematic

Cluster

Convenience

All Sampling Methods Quizzes

Hypothesis Testing Quizzes

The Ultimate Inferential Statistics Quiz

Dive into the fascinating world of inferential statistics with our comprehensive "Inferential Statistics Quiz." Test your knowledge and understanding of this essential br...

Questions: 15 | Attempts: 6448 | Last updated: Oct 13, 2025

Sample Question
What is the purpose of an inferential statistical test?

To see if your results are accurate

To check the probability of your results applying to the wider population

To make sure you have not made a mistake in your data collection

Hypothesis Tests 3

Hypothesis Tests 3 delves into the fundamentals of statistical hypothesis testing, focusing on p-values, t-tests, and confidence intervals. This quiz assesses understanding of stat...

Questions: 9 | Attempts: 2772 | Last updated: Apr 23, 2025

Sample Question
Hypotheses in a significance test are always stated in terms of the population parameters.

True

False

Quantitative Methods II

This Quantitative Methods II quiz assesses understanding of statistical principles in hypothesis testing and analysis of differences between means. It covers null hypotheses, z-sco...

Questions: 24 | Attempts: 1705 | Last updated: Mar 22, 2025

Sample Question
The expected value of the difference of two sample means equals the difference of the corresponding population means:

Only if the populations are normally distributed

Only if the samples are independent

Only if the populations are approximately normal and the sample sizes are large

All of the above

All Hypothesis Testing Quizzes

Confidence Intervals Quizzes

Test3 Confidence Interval and Hypothesis Testing

Sample exam for testing knowledge of Confidence Interval, Hypothesis Testing.

Questions: 76 | Attempts: 1472 | Last updated: Mar 21, 2025

Sample Question
When is a statistical procedure robust?

When sample is at least 20% of the population?

When it is used even though the sample is not SRS.

When confidence level or the P-value does not change very much even when the conditions are not fully met.

When the correlation between the test statistic and the P-value is close to 1.0 (or the correlation between the level of confidence and z* ic close to 1.).

2106 Univariate Data - Creating Intervals

How do you create an interval? How do you know how wide it should be, and how many intervals to create?

Questions: 18 | Attempts: 693 | Last updated: Oct 06, 2025

Sample Question
What is the ideal number of intervals for a set of data?

Less than 5

More than 20

12

Between 5 and 15

Confidence Intervals Assessment Test

Confidence intervals are used in statistics as a type of interval estimate that is computed from the observed data. Take this assessment test to evaluate your knowledge of confiden...

Questions: 10 | Attempts: 530 | Last updated: Mar 21, 2025

Sample Question
Which is a type of estimate for population parameter?

Shore

Super

Off estimate

Point estimate

All Confidence Intervals Quizzes

Margin Of Error Quizzes

Section 6.2 - Lines of Best Fit

Explore linear relationships in various contexts using scatter plots to determine lines of best fit, predict values, and analyze data trends.

Questions: 10 | Attempts: 1046 | Last updated: Aug 18, 2025

Sample Question
This scatter plot shows the annual profits for the past ten years for Ellen's business designing greeting cards. Use the graph to estimate the profit in the 9th year.

$12 500

$13 200

$13 500

$14 000

Correlation & Causality

The Coefficient of Determination is generally measured as a percentage. If it is 95% then the statement would read as : 95% of the variation of the dependent variable (y variable)...

Questions: 15 | Attempts: 333 | Last updated: Jul 16, 2025

Sample Question
Jack is on a fitness campaign.He is measuring his improvement by counting the number of pushups he can do in one minute.He measures his progress at the end of each week.According to the line of linear regression, he has a Correlation Coefficient of 0.94.Which statement is most correct :

94% of the variation in his push up count can be explained by the number of weeks he has attended training

94% of the variation in his weekly attendance explained by the variation in his push-up count

89% of the variation in his push up count can be explained by the number of weeks he has attended training

89% of the variation in his weekly attendance explained by the variation in his push-up count

Quiz for faculty trial

This quiz evaluates knowledge on statistical concepts like regression analysis, coefficient determination, and confidence intervals, suitable for faculty trials.

Questions: 7 | Attempts: 123 | Last updated: Mar 20, 2025

Sample Question
A regression analysis is inappropriate when

You have two variables that are measured on an interval or ratio scale.

You want to make predictions for one variable based on information about another variable.

The pattern of data points forms a reasonably straight line

There is heteroscedasticity in the scatter plot.

All Margin Of Error Quizzes

Z and T Tests Quizzes

T Test MCQ Quiz With Answers

How much do you know about the T-test? Think you can pass a quiz? Here, we present to you a T-Test MCQ Quiz with answers. A T-test is a very useful inferential statistic used that ...

Questions: 10 | Attempts: 33047 | Last updated: Apr 16, 2025

Sample Question
A t-test is a significance test that assesses

The means of two independent groups

The medians of two dependent groups

The modes of two independent variables

The standard deviation of three independent variables

z-test & T-test Assessment Test

Z-test and T-test are two different tests used for statistical hypothesis testing. Take this assessment test to assess your knowledge of these tests.

Questions: 10 | Attempts: 1071 | Last updated: Mar 20, 2025

Sample Question
What is used when we want to know whether the difference between a sample mean and the population mean is large enough to be statistically significant?

One-Sample z-test

F test

Line test

Litmus test

World Stats Day Quiz

Are you a 'Super Statto', or do stats leave you quaking in your boots?Take this quiz and you may find that you know more about statistics than you thought. You might find t...

Questions: 10 | Attempts: 127 | Last updated: Mar 19, 2025

Sample Question
What type of correlation is this?

Positive

Negative

No Correlation

All Z and T Tests Quizzes

Chi Square Test Quizzes

Levels of Measurement Quiz

Are you ready to put your knowledge of measurement levels to the test? Take our "Levels of Measurement Quiz," where we break down the essential concepts of nominal, ordin...

Questions: 20 | Attempts: 37990 | Last updated: Oct 22, 2025

Sample Question
What type of measurement is most appropriate to describe the different categories of movies (drama, comedy, adventure, documentary)? Would it be nominal, ordinal, interval, or ratio measurement?

Nominal

Ordinal

Interval

Ratio

the Chi-Square Tests Assessment Test

Take our assessment test to assess your knowledge of the chi-square tests. The chi-square goodness of fit test that determines if a sample data matches a population and the ch...

Questions: 10 | Attempts: 1401 | Last updated: Mar 21, 2025

Sample Question
What is the null hypothesis in chi-square test?

The rows and columns are the same

The rows and columns in the table are associated

The rows and columns in the table are not associated

The rows and column are not the same

Quiz: Which Statistical Character Are You?

Unleash your inner data persona with our Statistical Character Quiz! This quiz is designed to help you discover your statistical alter ego. Dive into these engaging questions that ...

Questions: 10 | Attempts: 292 | Last updated: Oct 22, 2025

Sample Question
What's your favorite math operation?

Addition

Subtraction

Division

Multiplication

All Chi Square Test Quizzes

Top Trending Inferential Statistics Quizzes

5932 Interpolation & Extrapolation

Testing your knowledge of interpolation and extrapolation. Remember - look out for changes in the unit of measure when you are answer your questions.

Questions: 10 | Attempts: 626 | Last updated: Mar 19, 2025

Sample Question
The graph above shows the improvement in scores of a batsman over a series of weeks. Using the linear regression line to predict the number of weeks in week 5 is an example of:

Interpolation

Extrapolation

Advanced Placement: Statistics Exam! Trivia Questions Quiz

Are you looking for an advanced placement statistics exam trivia questions quiz? If you said yes, you are in luck as the quiz below is perfect for helping you review what you have learned so far. Do take it up and get to see if...

Questions: 5 | Attempts: 453 | Last updated: Mar 17, 2025

Sample Question
Sixty-two students were asked to complete a number puzzle. The number of minutes each student needed to complete the puzzle was recorded and the times are displayed in the histogram below. Which of the following describes the distribution?

The distribution is roughly symmetric.

The distribution is approximately normal.

The distribution is bimodal.

The distribution is skewed left.

The distribution is skewed right.

Table Building Part Two

Explore 'Table Building Part Two', a quiz assessing skills in interpreting data from tables and graphs. Questions involve predicting ice cream sales from temperature, water release patterns, costs of cupcakes, fingernail growth...

Questions: 5 | Attempts: 306 | Last updated: Mar 15, 2025

Sample Question
Rosa recorded the outside temperature during one summer when she was a lifeguard. At the same time, her friend Maddy kept track of the number of ice creams sold at the snack bar. They put their data together in the table below. Based on the data, how many ice cream cones would likely be sold if the temperature were 100 degrees?

48

53

51

59

SSC Exam Quiz: Quantitative Aptitude!

This SSC Exam Quiz focuses on Quantitative Aptitude, challenging learners with problems on interest rates, geometry, work time, sports statistics, and more, enhancing skills crucial for competitive exams.

Questions: 50 | Attempts: 4179 | Last updated: Mar 17, 2025

Sample Question
If the difference between the interests, received from two different banks on Rs. 500 for 2 years is Rs. 2.50. The difference between their rates is:

0.5 %

2.5 %

0.25 %

1 %

Numeracy Assessment For Post-primary Teachers

This Numeracy Assessment for Post-Primary Teachers evaluates essential math skills through practical scenarios. It tests abilities in time management, budget analysis, and statistical comprehension, catering to the professional...

Questions: 17 | Attempts: 240 | Last updated: Mar 14, 2025

Sample Question
A parents' evening begins at 17:00 and finishes at 19.30. A teacher has 25 appointments during this time. What is the mean time a teacher can allow for each appointment?

5 minutes

6 minutes

8 minutes

10 minutes

Recent Inferential Statistics Quizzes

Mathematics in Baseball: Understanding Stats and Strategies

Explore the intriguing intersection of mathematics and baseball in this engaging quiz. Delve into statistical analysis and probability calculations that underpin baseball strategies and game predictions, enhancing both math...

Questions: 6 | Attempts: 10 | Last updated: Oct 10, 2025

Sample Question
What is a home run in baseball?

A ball being hit out of a baseball feild

A type of run scored when a player touches all four bases in order without getting out.

Hitting a double in baseball.

A strikeout in baseball.

Difference Between Groups Using Two-sample Inference

With a combination of significance tests and confidence intervals, evaluate your knowledge of how to use two-sample inference to define the difference between groups.

Questions: 10 | Attempts: 137 | Last updated: Mar 20, 2025

Sample Question
Hypotheses convening the relative size of the means of two population are tested by...

Sample value and P-value

Critical Values and P-value

Confidence Interval

Point estimate and P-value

Chapter 1 Univariate Practice

This quiz, titled 'Chapter 1 Univariate Practice', focuses on multiple choice questions related to univariate statistical analysis, covering essential concepts and techniques.

Questions: 21 | Attempts: 88 | Last updated: Apr 22, 2025

Sample Question
Multiple Choice - Question 1

A

B

C

D

E

Comp2mm STAT Warm Up

This quiz is graded and will evaluate your knowledge in statistics.

Questions: 36 | Attempts: 85 | Last updated: Mar 21, 2025

Sample Question
Methods of organizing, summarizing, and presenting data in an informative way

Descriptive Statistics

Inferential Statistics

Informative Statistics

Theoretical Statistics

Statistics