Principles of Inferential Statistics
- Previous year questions on Principles of Inferential Statistics 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.
- 27 live questions in Principles of Inferential Statistics.
- 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.The prevalence of Candida glabrata infection is found to be 80% in a population of 100. If the test is repeated for 95% confidence levels, then what will be the range of prevalence of the Candida glabrata infection?
- A4 to 100
- B65 to 95
- C72 to 88✓ Correct answer
- D70 to 100
Q2.While assessing the efficacy of a newly developed drug in comparison to placebo, the 95% confidence interval in clinical trials is used to check for:
- AEfficacy of the drug✓ Correct answer
- BNon-efficacy of the drug
- CBoth efficacy and non-efficacy of the drug
- DEither efficacy or non-efficacy of the drug
Q3.If the distribution of intra-ocular pressure (IOP) seen in 100 glaucoma patients has an average 30 mm with a SD of 1.0, what is the lower limit of the average IOP that can be expected 95% of times?
- A26
- B28✓ Correct answer
- C32
- D25
Q4.If the distribution of intraocular pressure (IOP) seen in 100 glaucoma patients has an average 30 mm with an SD of 1, what is the lower limit of the average that can be expected 95% of times -
- A28✓ Correct answer
- B26
- C32
- D25
Q5.Standard deviation of means measures -
- ANon-sampling errors
- BSampling error✓ Correct answer
- CRandom errors
- DConceptual errors
Q6.Among a 100 women with average Hb of 10 gm%, the standard deviation was 1, what is the standard error?
- A0.01
- B0.1✓ Correct answer
- C1
- D10
Q7.A researcher selected all possible samples from a population and plotted their means on a line graph. This distribution is called as:
- ASample distribution
- BSampling distribution✓ Correct answer
- CPopulation distribution
- DParametric distribution
Q8.What will be the 95% confidence interval (CI) for an estimated prevalence of 10% and a sample size of 100?
- A2-18
- B4-16✓ Correct answer
- C7-13
- DGiven data inadequate for calculation of class intervals.
Q9.In a group of 100 people, the average GFR is 85 ml/ min with a standard detion of 25. What is the range for 90% confidence interval?
- A81-89✓ Correct answer
- B80-90
- C75-95
- D70-100
Q10.While calculating the incubation period for measles in a group of 25 kids, standard detion is 2 and the mean incubation period is 8 days, calculate Standard error.
- A0.4✓ Correct answer
- B1
- C2
- D0.5
Answer key
Q1: C. 72 to 88; Q2: A. Efficacy of the drug; Q3: B. 28; Q4: A. 28; Q5: B. Sampling error; Q6: B. 0.1; Q7: B. Sampling distribution; Q8: B. 4-16; Q9: A. 81-89; Q10: A. 0.4.
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
- Measures of Position: Percentiles and Z-Scores
- Hypothesis Testing Concepts
- Significance Testing Methods
- Correlation and Regression Techniques
- Clinical Research Design and Applied Biostatistics
- Community Mental Health
- Genetics in Public Health