Answers IQ test

Question 2

? * 7 = 49
Which number should replace the question mark?


2022-07-28T09:41:07.204398 image/svg+xml Matplotlib v3.5.2,

Question statistics

Question ID: pc3t2SkR
Main category: Numerical Reasoning
Sub category: Basic arithmetic
Difficulty Level: 3What is item difficulty?
Nr of times answered: 2181
Average IQ of people who answered this question: 98.82
Percentage of answers correct: 90.88%
Item Response Theory (IRT)What is Item Response Theory?
Item difficulty: 3 / 20What is item difficulty?
Discrimination: 2.39 What is item discrimination?
Point of Maximum Information: 63.23 What is Point of Maximum Information?
Item Characteristic Curve (ICC)
This Item Characteristic Curve shows the probability that a person with a given IQ level will correctly answer this question. This graph is based on the answers and the IQ levels of 2181 individual test takers who have answered this question.
Distractor AnalysisWhat is distractor analysis?
Average IQ of people who gave the correct answer: 100.57 Why does the average IQ of people who answer the questions differ per question?
Average IQ of people who gave an incorrect answer: 83.07

Time spent: you used 10 seconds to answer this question