Practice Questions

Identify the method of survey that includes every single element of the population.

Name two important sources of secondary data in India mentioned in the chapter.

Apply the concept of a 'variable' by identifying two variables in a study on the relationship between hours of study and exam scores of students.

A researcher surveys 200 out of 2000 households in a town to study their electricity consumption. Solve for the population and the sample size.

Design a closed-ended, multiple-choice question to find out the primary reason for a student choosing to study economics in Class 11.

Propose a method for conducting a pilot survey for a questionnaire designed to study the spending habits of college students.

Demonstrate how you would apply the lottery method to select a random sample of 5 schools from a list of 50 schools in a district.

Justify why a question in a survey should move from general to specific.

Justify why a researcher might prefer using a closed-ended question format over an open-ended one.

Define 'Random Sampling'.

Define the term 'data' in the context of statistics for economics.

The actual average income of a population of 1000 people is Rs 50,000. A sample survey of 50 people estimates the average income to be Rs 48,500. Calculate the sampling error.

The monthly incomes of five households are Rs 15000, Rs 20000, Rs 25000, Rs 30000, and Rs 35000. Calculate the population average income.

Describe what is meant by a 'variable' in statistics and provide one example.

Explain the purpose of conducting a Pilot Survey.

Recall the meaning of a sampling error.

Compare primary data and secondary data for a research project on the spending habits of teenagers in your city.

Propose two distinct non-sampling errors that could occur during a telephone interview survey about public healthcare usage.

Contrast the Census method with the Sample Survey method for studying the literacy rate across India in terms of cost, time, and accuracy.

Compare random sampling with non-random sampling, highlighting the key difference regarding bias and representativeness.

Examine why conducting a pilot survey is a crucial step before launching a large-scale survey on consumer preferences for a new product.

Formulate a research problem where secondary data would be more appropriate than primary data, and justify your choice.

Evaluate the statement: 'A census is always better than a sample survey because it collects information from every single unit of the population.'

Explain the key difference between primary data and secondary data.

Evaluate the suitability of a Personal Interview for collecting data on farmers' opinions about a controversial government agricultural policy.

Create a research plan to investigate the economic condition of street vendors in your city, specifying the population, the sample, and the most suitable mode of data collection.

Describe the main function of the National Sample Survey (NSS).

Describe two advantages of using a Mailed Questionnaire for data collection.

Explain the difference between a closed-ended question and an open-ended question.

List three types of non-sampling errors.

Examine the following survey question and identify at least two problems with its design: "Don't you agree that the new, high-quality school canteen food is much better than the old food?"

A researcher wants to study the monthly expenditure of college students in a city. Demonstrate the process of identifying the population and selecting a representative sample.

Critique the following survey question and propose an improved version: 'Don't you think the government's brilliant new policy to support small businesses is beneficial?'

Justify the use of a sample survey over a census for determining the average monthly expenditure of households in India.

Evaluate which is a more serious issue for the credibility of a study on family incomes: a sampling error or a non-sampling error arising from respondents deliberately providing incorrect income information.

Analyze the potential sources of non-sampling errors in a survey designed to measure unemployment in a large city conducted via telephone interviews.

Summarize the concepts of 'Population' and 'Sample' in the context of a statistical survey.

You are tasked to study the impact of a new government subsidy on small farmers in a remote, mountainous region. Analyze the challenges for each data collection method and justify your choice.

Contrast sampling error and sampling bias, explaining how each arises.

Propose a data collection strategy for a research project aiming to understand the impact of a new metro line on the daily commute time of office workers in a large city.

Critique the use of the lottery method for selecting a random sample of 100 households from a city with diverse economic zones (e.g., high-income, middle-income, low-income).

Analyze the suitability of personal interviews, mailed questionnaires, and telephone interviews for a survey on the healthcare facilities available to the elderly in rural areas.

Summarize the main advantages and disadvantages of conducting Personal Interviews.

Design a study to evaluate the effectiveness of a 'No Plastic Bag' campaign in a local market, outlining the data to be collected and the method.

List five important points that should be kept in mind while preparing a good questionnaire.