Mathematics & Logic

Dominate Elite Statistical Probability Trials

Engage rigorous puzzles in statistical logic, from inference depths to modeling intricacies.

#regression diagnostics#hypothesis power#advanced inference#nonparametric tests#multivariate stats#chi-square goodness#sampling variance#Bayesian probability

Quiz Intelligence

Total Questions

Difficulty Level

hard

Progress

0/0

Quiz Questions

Answer all questions below and test your knowledge.

1
In a multiple regression model, which assumption violation leads to biased standard errors but unbiased coefficients?
Question 1
2
For a chi-square test of independence with 3x4 contingency table, what is the degrees of freedom?
Question 2
3
What is the exact power of a z-test for H0: μ=0 vs Ha: μ>0 with n=100, α=0.05, true μ=0.3, σ=1?
Question 3
4
Under what condition does the t-distribution approximate the normal distribution best?
Question 4
5
In Bayesian inference with beta prior Beta(α,β) and binomial likelihood n trials k successes, what is posterior mean?
Question 5
6
For 95% CI of population variance σ² from normal sample s², χ² critical values use df:
Question 6
7
Which test is most appropriate for comparing medians of two independent skewed distributions?
Question 7
8
In logistic regression, the odds ratio exp(β) interprets as:
Question 8

Never miss a quiz!

Daily challenges on Telegram

Join Now

Expand Your Mind

Movies & TV

easy5 Qs

Iconic Movie Quotes Quiz

How well do you know your movie lines? See if you can match these famous quotes to their films!

Entertainment

hard8 Qs

80s Movie Mania: The Ultimate Trivia Gauntlet

Think you know your 'Back to the Future' from your 'Blade Runner'? Prove your 80s movie mastery with these challenging questions!

Travel & Places

medium6 Qs

Can You Name These Capital Cities?

Put your global knowledge to the test! Match the country to its capital city.

Music

easy7 Qs

Easy Music Trivia Challenge!

Think you know music? Let's find out with this super easy trivia quiz!

Dominate Elite Statistical Probability Trials

Quiz Intelligence

Quiz Questions

In a multiple regression model, which assumption violation leads to biased standard errors but unbiased coefficients?

For a chi-square test of independence with 3x4 contingency table, what is the degrees of freedom?

What is the exact power of a z-test for H0: μ=0 vs Ha: μ>0 with n=100, α=0.05, true μ=0.3, σ=1?

Under what condition does the t-distribution approximate the normal distribution best?

In Bayesian inference with beta prior Beta(α,β) and binomial likelihood n trials k successes, what is posterior mean?

For 95% CI of population variance σ² from normal sample s², χ² critical values use df:

Which test is most appropriate for comparing medians of two independent skewed distributions?

In logistic regression, the odds ratio exp(β) interprets as:

Expand Your Mind

Iconic Movie Quotes Quiz

80s Movie Mania: The Ultimate Trivia Gauntlet

Can You Name These Capital Cities?

Easy Music Trivia Challenge!

History's Hidden Chapters: A Scandalous Quiz

Idioms & Phrases Challenge