Measures of Position: Percentiles and Z-Scores
- Previous year questions on Measures of Position: Percentiles and Z-Scores for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Community Medicine section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 20 live questions in Measures of Position: Percentiles and Z-Scores.
- 1 of 20 questions carries a verified exam year: 2018.
- Community Medicine is worth about 25 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 3 Sept 2026.
Q1.If first Quartile is 34, how much % of observations will be more than this?
- A25
- B75✓ Correct answer
- C37
- D66
Q2.The Hb level in healthy women has mean 13.5 g/dl and standard detion 1.5 g/dl, what is the Z score for a woman with Hb level 15.0 g/dl:
- A9
- B10
- C2
- D1✓ Correct answer
Q3.The Hb level in healthy women has to mean 13.5 g/dl and standard detion 1.5 g/dl, what is the Z score for a woman with Hb level 16.5 g/dl
- A9
- B10
- C2✓ Correct answer
- D1
Q4.Central value of a set of 180 values can be obtained by
- A2nd tertile
- B90th percentile
- C2nd quartile✓ Correct answer
- D9th decile
Q5.The haemoglobin levels of pregnant females in a community was found to have a mean of 10.6 g/d1, and a standard detion of 2 g/dL. What is the minimum haemoglobin level below which 5% of the pregnant females will have their haemoglobin levels?
- A7.32✓ Correct answer
- B8.64
- C6.68
- D8.96
Q6.The mean systolic blood pressure was measured in a sample population of elderly females and came out to be 125 mm Hg with a standard detion of 10. 95 percent of people would have blood pressure above:
- A105 mm Hg
- B110 mm Hg✓ Correct answer
- C115 mm Hg
- D140 mm Hg
Q7.The blood pressure data of 200 persons were collected. The first quartile BP of the data was 94 mm Hg and third quartile was 110 mm. How many patients have blood pressures between the 3rd and 4th quartile?
- A25
- B50✓ Correct answer
- C100
- D200
Q8.Meaning of baby has 15th percentile of head circumference is -
- A15% of children will have HC more than that
- B15% of HC, the child is having
- C15% of children will have HC less than that✓ Correct answer
- DAll
Q9.In a bell-shaped standard normal curve, mean +-2 standard detions covers:
- A60%
- B65%
- C95%✓ Correct answer
- D99%
Q10.All are true about normal response curve except:
- ABell shaped
- BTotal area of curve=l
- CSD = 0✓ Correct answer
- DMean, mode, median coincide
Answer key
Q1: B. 75; Q2: D. 1; Q3: C. 2; Q4: C. 2nd quartile; Q5: A. 7.32; Q6: B. 110 mm Hg; Q7: B. 50; Q8: C. 15% of children will have HC less than that; Q9: C. 95%; Q10: C. SD = 0.
Other topics in Community Medicine
- Evolution of Medicine
- Determinants and Indicators of Health
- Disease Concepts and Levels of Prevention
- Epidemiological Principles
- Descriptive Study Designs
- Analytical Study Designs: Case-Control and Cohort
- Experimental and Trial Designs
- Core Terminology in Infectious Disease Epidemiology
- Disease Transmission Dynamics
- Immunization and Vaccination Principles
- Vaccine Manufacture and Cold Chain Storage
- Disinfection and Sterilization Methods
- Screening
- Respiratory Infections of Viral Origin
- Respiratory Infections of Bacterial Origin
- Enteric and Intestinal Infections
- Arthropod-Transmitted Infections
- Viral Zoonoses
- Bacterial and Parasitic Zoonoses
- Sexually Transmitted and Surface Infections
- Cardiovascular Disease and Diabetes
- Cancer, Obesity and Blindness
- National Health Programmes: NVBDCP
- National Health Programmes: NLEP, NTEP and NACO
- National Health Programmes: NIS, JSY, RBSK and Others
- Demographic Cycle, Growth Rate and Age Pyramid
- Demographic Indicators
- Family Planning
- Preventive Care in Pregnancy, Childhood and Old Age
- Macronutrients and Energy Requirements
- Vitamins, Minerals and Water
- Food Processing, Safety and Quality
- Sociological and Psychological Concepts
- Social Structure and Health Economics
- Water Sources and Purification
- Water Disinfection
- Water Quality Standards
- Climate and Environmental Meteorology
- Housing Standards and Ventilation
- Lighting, Noise and Radiation
- Refuse and Sewage Disposal
- Mosquitoes and Flies as Disease Vectors
- Ticks, Fleas and Mites as Disease Vectors
- Pest and Vector Control Measures
- Handling and Disposal of Biomedical Waste
- Disaster Preparedness and Response
- Occupational Diseases and Hazards
- ESI Scheme and the Factories Act
- Health Education and Communication Methods
- Planning and Management of Health Services
- Health Service Delivery in India
- Global Health and International Agencies
- Probability and Types of Data
- Measures of Central Tendency
- Measures of Variability and Dispersion
- Principles of Inferential Statistics
- Hypothesis Testing Concepts
- Significance Testing Methods
- Correlation and Regression Techniques
- Clinical Research Design and Applied Biostatistics
- Community Mental Health
- Genetics in Public Health