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Q1 / 401.00 mark
What is the collection of all units gathered for a specific purpose by a researcher called?
💡 Explanation: The collection of all units for a research purpose is the Universe. शोध के लिए सभी इकाइयों का समूह 'समग्र' है। @APNA_QUIZ
Q2 / 401.00 mark
Which of the following is an example of a Universe?
💡 Explanation: Total voters represent the entire population/universe. कुल मतदाता संपूर्ण जनसंख्या (समग्र) का प्रतिनिधित्व करते हैं। @APNA_QUIZ
Q3 / 401.00 mark
How many types of Universe (Samagra) are mentioned in the sources?
💡 Explanation: The four types are Finite, Infinite, Real, and Hypothetical. चार प्रकार हैं: परिमित, अपरिमित, वास्तविक और काल्पनिक। @APNA_QUIZ
Q4 / 401.00 mark
A population where the number of units is definite and can be measured is called?
💡 Explanation: In a finite population, units are fixed and countable. परिमित समग्र में इकाइयां निश्चित और गणनीय होती हैं। @APNA_QUIZ
Q5 / 401.00 mark
What is an example of an Infinite Population?
💡 Explanation: Stars in the sky are uncountable/infinite. आकाश में तारों की संख्या अगणनीय/अपरिमित होती है। @APNA_QUIZ
Q6 / 401.00 mark
A population based on imagination rather than reality is known as?
💡 Explanation: Tossing a die is an example of a hypothetical population. पासा फेंकना एक काल्पनिक समग्र का उदाहरण है। @APNA_QUIZ
Q7 / 401.00 mark
What represents all the characteristics of the Universe and is a part of it?
💡 Explanation: A sample is a small part representing the whole universe. प्रतिदर्श समग्र का प्रतिनिधित्व करने वाला एक छोटा भाग है। @APNA_QUIZ
Q8 / 401.00 mark
The statistical measure of all units of the Universe is called?
💡 Explanation: Measures like mean or variance of a population are parameters. समष्टि के माध्य या विचरण जैसे माप प्राचल कहलाते हैं। @APNA_QUIZ
Q9 / 401.00 mark
Which of the following is generally free from statistical error?
💡 Explanation: Parameters are usually considered error-free as they cover all units. प्राचल में सामान्यतः कोई त्रुटि नहीं होती। @APNA_QUIZ
Q10 / 401.00 mark
What is the statistical measure derived from selected sample units called?
💡 Explanation: Measures calculated from samples are called Statistics. नमूने से ज्ञात किए गए माप 'प्रतिदर्शज' कहलाते हैं। @APNA_QUIZ
Q11 / 401.00 mark
The method or technique used to select units from the Universe is called?
💡 Explanation: The process of selecting a sample is known as Sampling. प्रतिदर्श चुनने की प्रक्रिया को प्रतिचयन कहते हैं। @APNA_QUIZ
Q12 / 401.00 mark
How many types of errors are there in statistics as per the sources?
💡 Explanation: The two types are Sampling Error and Non-Sampling Error. दो प्रकार हैं: प्रतिदर्शज त्रुटि और गैर-प्रतिदर्शज त्रुटि। @APNA_QUIZ
Q13 / 401.00 mark
What happens to the Sampling Error if the Sample Size is increased?
💡 Explanation: Increasing sample size reduces sampling error. प्रतिदर्श आकार बढ़ने से प्रतिदर्शज त्रुटि में कमी आती है। @APNA_QUIZ
Q14 / 401.00 mark
In which situation is the Sampling Error zero?
💡 Explanation: Since census covers all units, sampling error is zero. जनगणना में सभी इकाइयां शामिल होने से यह त्रुटि शून्य होती है। @APNA_QUIZ
Q15 / 401.00 mark
Non-sampling error occurs during which stage?
💡 Explanation: It can occur during planning, measuring, or execution. यह योजना, मापन या क्रियान्वयन के दौरान हो सकती है। @APNA_QUIZ
Q16 / 401.00 mark
What is the effect on Non-sampling error if the sample size increases?
💡 Explanation: Larger samples may lead to more operational/non-sampling errors. बड़ा आकार होने पर गैर-प्रतिदर्शज त्रुटि बढ़ सकती है। @APNA_QUIZ
Q17 / 401.00 mark
Which of the following is a type of Random Sampling?
💡 Explanation: SRS is a primary method of Random Sampling. SRS दैव निदर्शन की एक प्रमुख विधि है। @APNA_QUIZ
Q18 / 401.00 mark
In Simple Random Sampling (SRS), the probability of selecting each unit is?
💡 Explanation: Every unit has an equal chance of being selected in SRS. SRS में प्रत्येक इकाई के चुने जाने की समान संभावना होती है। @APNA_QUIZ
Q19 / 401.00 mark
Which method is used for Simple Random Sampling?
💡 Explanation: Lottery, Random numbers, and Drum rotation are SRS methods. लॉटरी, यादृच्छिक संख्याएं और ढोल घुमाना SRS की विधियां हैं। @APNA_QUIZ
Q20 / 401.00 mark
Tippett's random number table consists of how many numbers?
💡 Explanation: Tippett's table contains 10,400 four-digit numbers. टिपेट सारणी में चार अंकों वाली 10400 संख्याएं होती हैं। @APNA_QUIZ
Q21 / 401.00 mark
What is the formula for the total number of samples in SRS with replacement (WR)?
💡 Explanation: If units are replaced, the total possible samples are N raised to the power n. प्रतिस्थापन के साथ कुल प्रतिदर्श N^n होते हैं। @APNA_QUIZ
Q22 / 401.00 mark
In Stratified Sampling, the population is divided into groups called?
💡 Explanation: Population is divided into homogeneous strata based on characteristics. जनसंख्या को सजातीय स्तरों में विभाजित किया जाता है। @APNA_QUIZ
Q23 / 401.00 mark
What is the main objective of Stratified Sampling?
💡 Explanation: Aim is to divide the universe into specific "homogeneous strata". इसका उद्देश्य सजातीय स्तरों में विभाजित करना है। @APNA_QUIZ
Q24 / 401.00 mark
Which sampling is also known as Quasi-Random Sampling?
💡 Explanation: Systematic sampling is called Quasi-Random as only the first unit is random. इसे अर्द्ध-यादृच्छिक प्रतिचयन भी कहते हैं। @APNA_QUIZ
Q25 / 401.00 mark
What is the formula to calculate the interval 'k' in Systematic Sampling?
💡 Explanation: The interval is the total population divided by the sample size. अंतराल 'k' का सूत्र N/n होता है। @APNA_QUIZ
Q26 / 401.00 mark
In Cluster Sampling, the entire city or area is first divided into?
💡 Explanation: The population is divided into clusters, then some clusters are selected. समग्र को गुच्छों में बाँटकर उनमें से चुनाव किया जाता है। @APNA_QUIZ
Q27 / 401.00 mark
Between units of a cluster, the correlation coefficient is generally?
💡 Explanation: Cluster units usually have a negative correlation coefficient. गुच्छ प्रतिदर्श इकाइयों के मध्य सह-संबंध गुणांक ऋणात्मक होता है। @APNA_QUIZ
Q28 / 401.00 mark
Which sampling method is commonly used in economic and social surveys?
💡 Explanation: Multistage sampling is preferred for large-scale social surveys. बहुस्तरीय प्रतिचयन आर्थिक-सामाजिक सर्वेक्षणों में प्रयुक्त होती है। @APNA_QUIZ
Q29 / 401.00 mark
Which of the following is a Non-Random Sampling method?
💡 Explanation: Quota sampling is a non-probability/non-random method. नियतांश प्रतिचयन एक गैर-दैव विधि है। @APNA_QUIZ
Q30 / 401.00 mark
Sampling based on the researcher's choice or desire is called?
💡 Explanation: Selection depends on the researcher's judgement. इसमें चुनाव अनुसंधानकर्ता की इच्छा पर निर्भर करता है। @APNA_QUIZ
Q31 / 401.00 mark
Which sampling method is considered inexpensive but unreliable?
💡 Explanation: Convenience sampling is easy but often biased/unreliable. सुविधा प्रतिचयन सरल है पर अविश्वसनीय होती है। @APNA_QUIZ
Q32 / 401.00 mark
In which sampling is the 'Quota' of enumerators fixed?
💡 Explanation: Quota sampling ensures representation by fixing specific quotas. इसमें गणनाकारों का कोटा निश्चित किया जाता है। @APNA_QUIZ
Q33 / 401.00 mark
Which sampling involves selecting units by asking one person after another?
💡 Explanation: Snowball sampling is used when unit info is unknown. जानकारी न होने पर एक-दूसरे से पूछकर चयन करना स्नोबॉल है। @APNA_QUIZ
Q34 / 401.00 mark
On how many main principles is the Basis of Sampling founded?
💡 Explanation: Principles: Probability, Statistical Regularity, and Inertia of Large Numbers. यह 3 मुख्य सिद्धांतों पर आधारित है। @APNA_QUIZ
Q35 / 401.00 mark
The Law of Statistical Regularity is derived from which theory?
💡 Explanation: It is based on the mathematical theory of probability. इसकी उत्पत्ति 'संभावना सिद्धांत' से हुई है। @APNA_QUIZ
Q36 / 401.00 mark
According to King, which law states that a random sample will possess population characteristics?
💡 Explanation: This law suggests samples represent the population. सांख्यिकीय नियमितता नियम समग्र की विशेषताओं को दर्शाता है। @APNA_QUIZ
Q37 / 401.00 mark
The "Law of Inertia of Large Numbers" is a corollary of?
💡 Explanation: Inertia of large numbers follows the law of statistical regularity. महांक जड़ता नियम, सांख्यिकीय नियमितता का उपप्रमेय है। @APNA_QUIZ
Q38 / 401.00 mark
Which law states that "The larger the sample size, the more accurate the results"?
💡 Explanation: Large samples provide more stability and accuracy. बड़े आकार के प्रतिदर्श अधिक शुद्ध परिणाम देते हैं। @APNA_QUIZ
Q39 / 401.00 mark
Which of the following is a benefit of sampling?
💡 Explanation: Sampling saves time, money, and labor. प्रतिदर्श से धन, समय और श्रम की बचत होती है। @APNA_QUIZ
Q40 / 401.00 mark
Which of the following is a disadvantage of sampling?
💡 Explanation: Sampling requires expertise and can have bias. इसमें विशेष ज्ञान की जरूरत और पक्षपात की संभावना होती है।