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Biostatistics questions for NEET PG

81 Biostatistics questions from the Social & Preventive Medicine section of the Recallab bank, each with a verified answer, every option explained and a reference to a current edition. 3 are published in full below.

• In the diagram below, what proportion of the total area under the curve lies between points A and B ?Epidemiology and biostatistics · #28057 · in the app
• In a survey of 1,000 adult women, haemoglobin is normally distributed with a mean of 12.0 g/dL and a standard deviation of 1.5 g/dL. Between which two values would you expect approximately 95% of the…Standard deviation · #50050 · answer and explanation
• An investigator measures haemoglobin in 60 women receiving iron supplementation and in 60 different women receiving no supplement, and wishes to compare the mean values. Haemoglobin is normally…Choosing a statistical test · #50141 · answer and explanation
• Haemoglobin is measured in the same 40 women before and again after three months of iron supplementation. Which test compares the two sets of readings, and why?Choosing between t-tests · #50343 · answer and explanation