USMLE Question of the Week

Understanding the Distribution of Data

In Episode 44 of Med School Question of the Week for USMLE, Alisa Khomutova, MedSchoolCoach expert tutor, answers this medical school question: A first-year medical student is conducting a summer project with his medical school’s pediatrics department using adolescent IQ data from a database of 1000 patients. He observes that the mean IQ of the dataset is 100. The standard deviation he calculated to be 10. Assuming that the values are normally distributed, approximately 95% of the measurements will fall in between which of the following limits?
  • 100 and 110
  • 95 and 105
  • 90 and 110
  • 90 and 100
  • 80 and 120
  • 70 and 130
Click to Reveal the Correct Answer

80 and 120

Alisa Khomutova

Alisa received her B.S. from University of California, Davis, and attended Oakland University William Beaumont School of Medicine. In 2020, she matched into Stony Brook Teaching Hospital practicing General Surgery for residency.

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