What Does an IQ of 71 Mean? The Wechsler Intelligence Scale states that an IQ of 71 is classified as borderline IQ also known as borderline mental retardation. Moreover, If you have about five minutes to read this page, you will learn several interesting things about an IQ score of 71.
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If you or your child previously scored 71 on an IQ test, that means that you have borderline intelligence. If an IQ score of 71 seems appropriate then there is no cause for alarm. However, if an IQ score of 71 seems a bit low, there are several reasons why you or your child has an IQ score of 71. For example, it is possible that you or your child just flat-out did poorly on the test. And the main reasons why people score poorly on tests is due to test anxiety or not being prepared or just simply being distracted.
In statistics and probability theory, the standard deviation shows how much variation or dispersion from the borderline (mean, also called expected value) exists. A low standard deviation indicates that the data points tend to be very close to the mean; a high standard deviation indicates that the data points are spread out over a large range of values.
When current IQ tests are developed, the median raw score of the norming sample is defined as IQ 100 and scores each standard deviation up or down are defined as 15 IQ points greater or less, although this was not always so historically. By this definition, approximately 100 percent of the population scores an IQ between 70 and 130, which is within two standard deviations of the median.
This table demonstrates how your IQ will cross reference with other IQ tests like the Cattell Intelligence Test, the Stanford-Binet IQ Test, and the Wechsler Intelligence Scale as well as the GRE and SAT Test. It also calculates SAT and GRE scores.