b. c. None of the above This research methods lesson covers these objectives: Define sampling During transmission, noise is introduced at top of the transmission pulse which can be easily removed if the pulse is in the form of flat top. Set up 96 per cent confidence limits for the proportion of defective items in the batch: Has the smallest variance among all estimator: Has an expected value equal to the true parameter value. = 200 Hz. b. Exists only for positive side In a marketing survey for the introduction of a new product in a town, a sample of 400 persons was drawn. Which sampling provides separate estimates for population means for different purposes and also an over all estimate? b. Pulse position modulation To produce ramp signal = 300Hz. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. Network sampling e. None of the above. This post contains Statistics Multiple Choice Questions with Answers for those who are looking for Statistics Quiz online.These Solved MCQs on Statistics are posted here for practice purpose. Multiple Choice questions (MCQs) in Statistics for Competitive Exams on Sampling Distributions Statistics MCQs – Sampling Distributions Part 1 Get top class preparation for NCO right from your home: fully solved questions with step-by-step explanation - practice your way to success. The variation in the values of observations. b. Bibliography given in a research report. Sample Multiple Choice Questions for the material since Midterm 2. Multiple Choice Questions (MCQs about Estimation & Hypothesis) from Statistical Inference for the preparation of exam and different statistical job tests in Government/ Semi-Government or Private Organization sectors. 2. The output sample signal is represented by the samples. b. d. None of the above, a. Find 95% confidence limits for the percentage of persons who would buy the product in the town: A random sample of size 17 has 52 as mean. MCQ 11.14. c. Is used to recover signal from sampled signal f3= 300π/2π = 150Hz. The minimum sampling rate required to avoid aliasing is given by Nyquist rate. Always generates the true value of the parameter. Similar to the actual CMTO MCQ exam, each practice exam contains 150 questions and should be completed in 3 hours. Simple Random Sampling. May be represented by g(t) = g(t + T0) The highest frequency is 150Hz. d. Both a and b, a. Bandwidth is very large as compared to modulating signal (D) A framework for every stage of the collection and analysis of data. b) Free … b. Pulse time modulation C. Poisson sampling. b. Except sampling error, other errors in sampling are: If a random sample of 500 mangoes produces 25 rotten mangoes, then the estimate of S.E of the proportion of rotten mangoes in the sample is: Which sampling adds flexibility to the sampling process? A numerical value used as a summary measure for a sample, such as a sample mean, is known as a. A randomly selected sample of 1,000 college students was asked whether they had ever used the drug Ecstasy. The method of sampling in which each unit of the population has an equal chance of being selected in the sample is, The hypothesis which is tested for possible rejection under the assumption that it is true is known as, The statistic T is said to be a consistent estimator of the population parameter Q if, The sampling is said to be large sampling if the size of the sample is, In na factory there are 48 employees with employee code from 1 to 48 the employer desires to take the sample of every sixth employeee under thge systematic sampling techique, the sample size will be. 4 is obtained from the sample, what is the estimate of the standard error of sample mean? d. All of the above, a. Amplitude of the carrier is constant c. Has the negligible power content The section contains questions on group theory and axioms, closure and associativity, subgroups, identity and inverse existence, burnside theorem, cyclic and permutation groups. Such a signal is represented as x(f)=0f… = 2 * 150 A sampling process where each element of the population that is sampled is subjected to an independent Bernoulli trial which determines whether the element becomes part of the sample during the drawing of a single sample: A. b. Aperiodic signal At ElectronicsPost.com I pursue my love for teaching. Sampling is a tool which helps to know the characteristics of the _______ by examining only a small part of it. D) Population Mean. 1. The solved questions answers in this Test: Sampling Theory - 5 quiz give you a good mix of easy questions and tough questions. long questions & short questions for CA Foundation on EduRev as well by searching above. Explanation are given for understanding. b. Varying amplitude of carrier varies the peak power required for transmission c. f(x) = f(x)f(-x) Passes the frequencies lower than the specified cut off frequency 12) Calculate the Nyquist rate for sampling when a continuous time signal is given by Answer: C. 2. If the population S.D. Sample questions from Midterms 1 and 2 are also representative of questions that may appear on the final exam. Here, the top of the samples are flat i.e. Answer: D. 3. Has the pulse width approaching zero value Hence, it is called as flat top sampling or practical sampling. Value may be determined at any point c. Pulse width modulation and pulse position modulation are the types of PTM For a given sample of 200 items drawn from a large population, the mean is 65 and the standard deviation is 8. (B) The choice between using qualitative or quantitative methods. When we have an idea that the error might be involved, we use: In determining the sample size for estimating a population mean, the number of factors must be known is: A sample of size 3 is taken from a population of 10 members with replacement. Input signal frequency denoted by Fm and sampling signal frequency denoted by Fs. Is zero for negative side The nyquist rate is = 2 * f = 2 * 200 = 400 Hz. Dependent variable c. Stratification variable d. Sampling variable If we took the 500 people attending a school in New York City, divided them by gender, and then took a random sample of the males and a random sampling of the females, the variable on which we would divide the population is called the _____. May be specified in time Sampling Interval tells the researcher how to select elements from the frame (1 in „k‟ elements is selected). The sampling theorem, which is also called as Nyquist theorem, delivers the theory of sufficient sample rate in terms of bandwidth for the class of functions that are bandlimited. A random sample of 100 items taken from a large batch of articles contains 5 defective items. To remove noise Multiple Choice - What sampling method - Questions Solved Sample Multiple Choice Questions (MCQs) * Answers are Page 4/11 b. c. Both a and b When every member in population has an equal chance of being selection, then that sampling is called_________, A sufficient estimator for population mean, A consistent and efficient estimator for population mean. These short objective type questions with answers are very important for Board exams as well as competitive exams. f1 = 100π/2π = 50Hz Standard Deviation of a Sampling Distribution is called ________. The 99% confidence for the mean are: This mock test of Test: Sampling Theory - 5 for CA Foundation helps you for every CA Foundation entrance exam. Periodic signal c. Pulse amplitude modulation A simple random sample of size 66 was drawn in the process of estimating the mean annual income of 950 families of a certain township. I am Sasmita . b. Tail edge of the pulse is kept constant MCQ 11.13. Stratified Random Sampling. d. All of the above, a. Synchronization is not required between transmitter and receiver c. Flat top sampling Has a train of impulses (C) The style in which you present your research findings e.g. This set of Probability and Statistics Multiple Choice Questions & Answers (MCQs) focuses on “Sampling Distribution – 1”. Economics MCQ is important for exams like CA, CS, CMA, CPA, CFA, UPSC, NET, Banking and other specialized department exam. c. fs = 2fm c. Both a and b If every 9th unit is selected from universal set then this type of sampling is known as: Distribution formed of all possible value of statistics is called_________. 22) In different types of Pulse Width Modulation, a. d. fs ≥ 2fm, 11) Calculate the minimum sampling rate to avoid aliasing when a continuous time signal is given by x(t) = 5 cos 400πt, Explanation: The sampling theorem can be defined as the conversion of an analog signal into a discrete form by taking the sampling frequency as twice the input analog signal frequency. a. Probability MCQ with detailed explanation for interview, entrance and competitive exams. c. Repeat over a period 7.65 respectively. Position or width of the carrier varies with modulating signal B. Sampling Theorem Multiple Choice Questions and Answers for competitive exams. a. d. All of the above, 7) For a Unit ramp function area of pulse curve is unity, a. Discontinuous at time t=0 This contains 40 Multiple Choice Questions for CA Foundation Test: Sampling Theory - 5 (mcq) to study with solutions a complete question bank. This sampling method considers every member of the population and forms samples based on … By continuing, I agree that I am at least 13 years old and have read and agree to the. d. All of the above, a. These short solved questions or quizzes are provided by Gkseries. x(t) = 5 cos 100πt +10 cos 200πt – 15 cos 300πt, Explanation: The standard deviation of the sampling distribution of a statistical distribution is a. = 400 Hz. d. fs < fm, 9) The desired signal of maximum frequency wm centered at frequency w=0 may be recovered if, a. If the Standard Error is 1/2, and the parameter of Normal population given to be S.D = 4 then , find the sample size? A numerical value used as a summary measure for a sample, such as sample mean, is known as a a. population parameter b. c. Discontinuous at time t=0 A) Population Parameter. a graph. I am posted here for the convenience of students. 1. Interviewing all members of a given population is called: a) a sample. When they were approached for sale, 80 of them purchased the product,. b. Width of the pulse train is varied c. Frequency modulation For the given signal, It is easier to submit a hypothesis to systematic research than it is to test a theory d. d. Researchers in any field can understand a hypothesis, but theories are only fully understood by individuals involved in that particular field e. e. A hypothesis is shorter than a theory. The number of all possible samples if size 2 that can be drawn from it without replacement. Electronics and Communication Engineering Questions and Answers. b. Filter has the cut off frequency wm a. Leading edge of the pulse is kept constant a. helps those interested in further research and studying … b. What does the central limit theorem state? a) An economical method of data collection. This scenario applies to Questions 1 and 2: A study was done to compare the lung capacity of coal miners to the lung capacity of farm workers. d. All of the above, a. Pulse width is zero c. fs > fm In sampling, standard deviations are known as: For an unbiased estimator which of these is not an absolute condition. Group Theory c. Due to varying amplitude of carrier, it is difficult to remove noise at receiver c) a census. f2 = 200π/2π = 100Hz Economics MCQ Questions and answers with easy and logical explanations. According to Grove, Gray, and Burns (2015), what are the potential biases of this sampling method? d. Both a and b, a. Amplitude of the pulse train is varied d. None of the above, ANSWER: (b) Starts at time t=0 and linearly increases with t, 8) The spectrum of the sampled signal may be obtained without overlapping only if, a. fs ≥ 2fm c. Centre of the pulse is kept constant c. Frequency of the pulse train is varied d. None of the above, a. = 2 * 200 they have constant amplitude. The sampling theorem states that, “a signal can be exactly reproduced if it is sampled at the rate fs which is greater than twice the maximum frequency W.” To understand this sampling theorem, let us consider a band-limited signal, i.e., a signal whose value is non-zero between some –W and WHertz. For any unknown parameter, how many interval estimates exist? This mock test of Test: Sampling Theory - 5 for CA Foundation helps you for every CA Foundation entrance exam. Similar to the actual CMTO MCQ exam, each practice exam contains 150 questions and should be completed in 3 hours. d. All of the above, 16) The sampling technique having the minimum noise interference is, 17) Types of analog pulse modulation systems are, a. Pulse amplitude modulation Research Methodology & Bio-stat MCQs, Master of Public Health […] Epidemiology MCQs, Master of Public Health » Sagun's Blog March 28, 2018 - 9:30 am Comments are closed. This contains 40 Multiple Choice Questions for CA Foundation Test: Sampling Theory - 1 (mcq) to study with solutions a complete question bank. … Find the 95% confidence limits for the population mean: Sampling fluctuations may be described as: The differences in the values of a parameter, The variation in the values of a statistic. b. I am an M.Tech in Electronics & Telecommunication Engineering. d. All of the above, 14) The techniques used for sampling are, a. Instantaneous sampling c. Repeats itself at regular intervals ElectronicsPost.com is a participant in the Amazon Services LLC Associates Program, and we get a commission on purchases made through our links. Foundation students definitely take this Test: sampling Theory - 5 quiz give you a mix! 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