Simply reporting measures of central tendency or measures ofvariability will not tell the whole story. Using the followinginformation what else does a psychologist need to know or thinkabout when interpreting this information? A school psychologistdecided to separate some classes by gender to see if learningimproved. She looked at student scores on the final exam andobtained the following information: Students in boy-girl classroomsobtained an average of 71.4 on their final exams with a standarddeviation of 10.8 whereas students in single-gendered classroomsobtained an average of 75.9 on their final exams with a standarddeviation of 8.2. She concludes that the single-gendered classroomslead to better learning.
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