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Scores on a standard IQ test are approximately Normally distributed with A-100 and a-10. What IQ score corresponds to a standardized score of 2.10? You may use this z-score table for reference.c a. -9.79 b. 79 c. 97.9 d. 121

Answer :

The IQ score that corresponds to a standardized score of 2.10 is 121.

The IQ score corresponding to a standardized score of 2.10 is 121. This is determined by adding the product of the standardized score (2.10) and the standard deviation (10) to the mean IQ score (100).

The standardized score represents the number of standard deviations the raw score is from the mean. In this case, a standardized score of 2.10 indicates that the IQ score is 2.10 standard deviations above the mean.

Therefore, an IQ score of 121 corresponds to a standardized score of 2.10 on the IQ test.

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