Question. IQ test scores are standardized to produce a normal distribution with a mean of \mu μ = 100 and a standard deviation of \sigma σ = 15. Find the proportion of the population in each of the following IQ categories. a. Genius or near genius: IQ over 140 b. Very superior intelligence: IQ from 120–140 c. Average or normal intelligence The result on one test of 132 can be the same as a score 148 on another test. Some intelligence tests don’t use IQ scores at all. Mensa has set a percentile as cutoff to avoid this confusion. Candidates for membership of Mensa must achieve a score at or above the 98th percentile on a standard test of intelligence (a score that is greater than IQ range For example, if you receive a score of 110 (a “superior” iq), this means your iq score was 10 points higher than the average person’s in that particular test sample. Likewise, if your scored 67 (an “average” iq), this means you were 11 points below the person mean Read more: Average iq. Stanford binet score chart – iq score What IQ Scores Really Mean – Free accurate IQ test mensa Most iq tests score an individual on a scale of 100. The highest score possible is 145, and the lowest score possible is 61; scores between these two extremes represents just one standard deviation from the mean iq for that group.[5] The result on the test that can be aquired by only 2% of the general population gives a candidate the access to Mensa membership. Depending on the scale, the required value of IQ of the members of Mensa, is 133 or more by Binet`s scale or 148 or more by Cattel`s scale. What IQ Scores Really Mean – Mensa test score. Most iq tests score an individual on a scale of 100. The highest score possible is 145, and the lowest score possible is 61; scores between these two extremes represents just one standard deviation from the mean iq for that group. [5] For example, if you receive a score of 110 (a “superior To find out your IQ score, take the Mensa admission test—you can search for your nearest testing session on the Mensa website. Tests cost $39.99 through January and prices may vary in February. An 11-year-old boy from Leeds has scored the highest possible Mensa test score for under 18s. Yusuf achieved 162 on the test, which is more than the late physicist and author Prof Stephen Hawking tJXtdO.