Worksheet: Collection of Data- 1 | Economics Class 11 - Commerce PDF Download

Choose Correct Answer

Q2: Statistics are:
(a) Aggregate of facts
(b) Numerically expressed
(c) Collected for a pre-deter mind purpose
(d) All of these

Q3: The term statistics was first used by
(a) Gottfried Achenwall
(b) Paul A Samuelson
(c) Lord Robinson
(d) J.(b) Say

Q4: Which of the following is not a function of Statistics?
(a) Economic forecasting
(b) Economic equilibrium
(c) Political equilibrium
(d) Construction of economic models

Q5: For drawing Lottery ____ Sampling is use(d)
(a) Random
(b) Purposive
(c) Stratified
(d) Quota

Q6: Data are collected by the investigator himself:
(a) Secondary
(b) Primary
(c) Both A and B
(d) None of the above

Q7: Frequency is the number of ____ an observation repeats in the series-
(a) Years
(b) Weeks
(c) Days
(d) Times

Q8: In Plural sense, which of the following is not a characteristic of Statistics?
(a) Aggregate of Data
(b) Only expressed in words
(c) Affected by multiplicity of causes
(d) Collected in a systematic manner

Q9: The process of converting raw material into goods is called ____
(a) Production
(b) Saving
(c) Investment
(d) Exchange

Q10: Personal bias is possible under ____
(a) Random Sampling
(b) Purposive Sampling
(c) Stratified Sampling
(d) Quota Sampling

Q11: under which method, chits are taken out to form a sample –
(a) Lottery method
(b) Tippet’s method
(c) Sample method
(d) Convenience sampling

Q12: Which of the following statement is incorrect?
(a) Resources have alternative uses
(b) All numbers are Statistics
(c) Macroeconomics studies large aggregates
(d) Statistics studies only the aggregates of quantitative facts

Assertion And Reasoning Type Questions

Q14: Assertion (A) Statistics deals with the collection, and analysis, interpretation and presentation of numerical data.
Reason (R) Statistics is the study of numbers relating to selected facts in a systematic form.
(a) Both Assertion (A) and Reason (R) are true and reason (R) is the correct explanation of assertion (A).
(b) Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of assertion (A)
(c) Assertion (A) is true but Reason (R) is false.
(d) Assertion (A) is false but Reason (R) is true.

Q15: Assertion (A) Statistics helps to a establish cause and effect relationship between different economic variables that have facilitated the construction of economic theories.
Reason (R) In order to understand conclusions derived using statistics precisely, it is not necessary that the circumstances and conditions under which this conclusions have been drawn are also studied.
(a) Both Assertion (A) and Reason (R) are true and reason (R) is the correct explanation of assertion (A).
(b) Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of assertion (A)
(c) Assertion (A) is true but Reason (R) is false.
(d) Assertion (A) is false but Reason (R) is true.

Q16: Assertion (A) Statistics is a delicate science and can be easily misused by an unscrupulous person. So data must be used with a caution.
Reason (R) the statistical methods do not study the nature of phenomenon which cannot be expressed in quantitative terms.
(a) Both Assertion (A) and Reason (R) are true and reason (R) is the correct explanation of assertion (A).
(b) Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of assertion (A)
(c) Assertion (A) is true but Reason (R) is false.
(d) Assertion (A) is false but Reason (R) is true.

Q17: Assertion (A) statistics also helps in condensing mass data into a few numerical measures such as mean, variance etc.
Reason (R) these numerical measures help to summaries data.
(a) Both Assertion (A) and Reason (R) are true and reason (R) is the correct explanation of assertion (A).
(b) Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of assertion (A)
(c) Assertion (A) is true but Reason (R) is false.
(d) Assertion (A) is false but Reason (R) is true.

True False

Q2: Statistical laws are universal.  

Easy type questions

Q2: What are the main sources of data?

Q3: Define primary data.

Q4: Give the meaning of secondary data.

Q5: Mention the methods used for collection of data.

Q6: What is interview method?

Q7: Define a questionnaire.

Average type Questions

Q9: Define sample.

Q10: Define “universe” or “population” in the context of statistics.

Q11: In which type of data precaution is highly required?

Q12: What is meant by “sampling method”?

Higher Order Thinking Skills Questions

Q14: What is deliberate sampling and how it differs from systematic sampling?

Q15: Why is sampling method preferred to census method?

Q16: State the essential features of a good questionnaire.