**Q.1 When is National Statistics Day celebrated in India?**

A. June 29th

B. July 25th

C. August 20th

D. September 31st

Ans: A. June 29th

**Q.2 National Statistics Day in India is celebrated in honor of which eminent statistician?**

A. C.R. Rao

B. Prasanta Chandra Mahalanobis

C. D. D. Kosambi

D. P. C. Mahalanobis

Ans: B. Prasanta Chandra Mahalanobis

**Q.3 The first National Statistics Day observed on ________ .**

A. 2005

B. 2007

C. 2006

D. 2008

Ans: C. 2006

**Q.4 What is the purpose of National Statistics Day?**

A. To promote statistical tools in education

B. To increase public awareness about the importance of statistics

C. To celebrate the birth anniversary of P.C. Mahalanobis

D. To recognize the achievements of statisticians

Ans: B. To increase public awareness about the importance of statistics

**Q.5 Which statistical measure is developed by P.C. Mahalanobis?**

A. Mean Deviation

B. Mahalanobis Distance

C. Median Absolute Deviation

D. Standard Deviation

Ans: B. Mahalanobis Distance

**Q.6 Which institution was founded by P.C. Mahalanobis?**

A. Indian School of Business

B. Indian Statistical Institute

C. Indian Institute of Technology

D. Indian Institute of Management

Ans: B. Indian Statistical Institute

**Q.7 The Indian Statistical Institute (ISI) established in year ________ .**

A. 1931

B. 1932

C. 1933

D. 1934

Ans: C. 1933

**Q.8 Which ministry in India is responsible for organizing National Statistics Day?**

A. Ministry of Science and Technology

B. Ministry of Human Resource Development

C. Ministry of Statistics and Programme Implementation

D. Ministry of Home Affairs

Ans: C. Ministry of Statistics and Programme Implementation

**Q.9 Which major statistical survey in India is known for its periodic nationwide data collection on household consumption?**

A. Census of India

B. National Family Health Survey

C. Agricultural Census

D. National Sample Survey

Ans: D. National Sample Survey

**Q.10 What is the theme for National Statistics Day 2024?**

A. Data for Sustainable Development

B. Use of data for decision-making

C. Sustainable Development Goals

D. Statistics for Growth

Ans: B. Use of data for decision-making

**Q.11 Which statistical method is associated with P.C. Mahalanobis for its application in population studies?**

A. Correlation Analysis

B. Sample Survey Methods

C. Regression Analysis

D. Time Series Analysis

Ans: B. Sample Survey Methods

**Q.12 Which prestigious award did P.C. Mahalanobis receive from the Government of India?**

A. Padma Vibhushan

B. Bharat Ratna

C. Padma Bhushan

D. Padma Shri

Ans: A. Padma Vibhushan

**Q.13 In which field did P.C. Mahalanobis primarily contribute?**

A. Physics

B. Chemistry

C. Statistics

D. Biology

Ans: C. Statistics

**Q.14 The Mahalanobis model is associated with which Indian Five-Year Plan?**

A. First Five-Year Plan

B. Second Five-Year Plan

C. Third Five-Year Plan

D. Fourth Five-Year Plan

Ans: B. Second Five-Year Plan

**Q.15 Which of the following is the key characteristic of the Mahalanobis Distance?**

A. It measures the difference between means

B. It measures the similarity between two data points

C. It measures the variation in a single data set

D. It measures the linear relationship between variables

Ans: B. It measures the similarity between two data points

**Q.16 Which international organization has recognized the contributions of P.C. Mahalanobis?**

A. United Nations

B. World Bank

C. International Statistical Institute

D. World Health Organization

Ans: C. International Statistical Institute

**Q.17 National Statistics Day promotes which of the following SDGs(Sustainable Development Goals)?**

A. Decent Work and Economic Growth

B. Quality Education

C. Industry, Innovation, and Infrastructure

D. Reduced Inequalities

Ans: A. Decent Work and Economic Growth

**Q.18 What statistical concept is used to describe the average value of a dataset?**

A. Mode

B. Median

C. Range

D. Mean

Ans: D. Mean

**Q.19 Which statistical technique is used for making predictions based on historical data?**

A. Descriptive Statistics

B. Predictive Analytics

C. Inferential Statistics

D. Data Mining

Ans: B. Predictive Analytics

**Q.20 In statistics, what is the measure of the amount of variation or dispersion in a set of values?**

A. Range

B. Standard Deviation

C. Mean Deviation

D. Variance

Ans: B. Standard Deviation

**Q.21 In hypothesis testing, what is the significance level typically denoted by?**

A. Î± (alpha)

B. Î² (beta)

C. Î³ (gamma)

D. Î´ (delta)

Ans: A. Î± (alpha)

**Q.22 Which of the following term is used for a graphical representation of the distribution of numerical data?**

A. Pie Chart

B. Line Graph

C. Bar Graph

D. Histogram

Ans: D. Histogram

**Q.23 Which statistical measure is used to summarize the central point of a dataset?**

A. Mode

B. Median

C. Mean

D. Range

Ans: C. Mean

**Q.24 What is the main purpose of conducting a sample survey?**

A. To study the entire population

B. To estimate characteristics of a population

C. To validate existing data

D. To conduct experiments

Ans: B. To estimate characteristics of a population

**Q.25 In the context of statistical sampling, what does the term 'population' refer to?**

A. The entire group of individuals or items being studied

B. A subset of the group being studied

C. The variable being measured

D. The method of data collection

Ans: A. The entire group of individuals or items being studied

**Q.26 Which type of data collection involves gathering information from every member of the population?**

A. Sample Survey

B. Census

C. Experiment

D. Observation

Ans: B. Census

**Q.27 Which measure indicates the strength and direction of a linear relationship between two variables?**

A. Covariance

B. Regression Coefficient

C. Standard Error

D. Correlation Coefficient

Ans: D. Correlation Coefficient

**Q.28 What is the primary data source for demographic statistics in India?**

A. National Family Health Survey

B. Sample Registration System

C. Census of India

D. National Sample Survey

Ans: C. Census of India

**Q.29 The CSO(Central Statistics Office) in India operates under which ministry?**

A. Ministry of Statistics and Programme Implementation

B. Ministry of Finance

C. Ministry of Home Affairs

D. Ministry of Commerce and Industry

Ans: A. Ministry of Statistics and Programme Implementation

**Q.30 Which statistical test is used to determine if there is a significant association between two categorical variables?**

A. T-test

B. ANOVA

C. Z-test

D. Chi-square test

Ans: D. Chi-square test

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