Is a standard score of 85 average?
Simply so, what is the percentile rank for a standard score of 85?
If your child earns a standard score of 85 (SS = 85) on a test, his percentile rank is 16 (PR = 16). Eighty-four percent of his peers earned higher scores on the test.
Also Know, what percentile is a standard score of 81?
|Z score||Standard score||Percentile|
Secondly, what percentile is considered average?
For most standardized assessments, 'average' ranges from the 25th to the 75th percentile. Fifty percent of the population will fall in the average range, whether we are talking about height, reading scores, or intelligence.
What standard score is 1.5 SD below the mean?
|Standard Deviation/Standard/Scaled Score Correspondence|
|Standard Deviation (SD)||Standard Score||Scaled Score|
|1 SD below mean||Between 70 and 85||Between 4 and 7|
|1.5 SD below mean||77.5||5.5|
|2 SD below mean||70 or below||4 or below|