A study was conducted to find average intra-ocular pressure. IOP was measured in 400 people and the mean was found to be 25 mm Hg with a standard detion of 10 mm Hg. What is the range in which 10P of 95% of the population would be lying?

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Vikas Bhardwaj
Medical Technologist, AIIMS New Delhi
Updated: Apr 17, 2026