1.Convenience sampling is highly susceptibleto selection biasSelect one:TrueFalse2.A form of convenience sampling in whichthe population elements are selected basedon the researcher's discretion is calledsystematic samplingSelect one:TrueFalse3.A complete enumeration of the elements ofa population or study objects is called a(n)а.Sampleb.ElementC.Sampling Unitd.Countе.None of the above4.A probability sampling technique in whichthe sample is chosen by selecting a randomstarting point and then picking every ithelement in succession from the samplingframe is calledа.quota samplingb.simple random samplingC.stratified samplingd.succession samplingе.None of the above5.Systematic sampling can be implementedwithout the availability of a sampling frameSelect one:TrueFalse6.Sampling techniques that use chanceselection procedures and rely on the personaljudgment of the researcher are callednonprobability sampling techniques.Select one:TrueFalse

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1.Convenience sampling is highly susceptible to selection bias Select one: True False 2.A form of convenience sampling in which the population elements are selected based on the researcher's discretion is called systematic sampling Select one: True False 3.A complete enumeration of the elements of a population or study objects is called a(n) а. Sample b. Element C. Sampling Unit d. Count е. None of the above

1.Convenience sampling is highly susceptible to selection bias Select one: True False 2.A form of convenience sampling in which the population elements are selected based on the researcher's discretion is called systematic sampling Select one: True False 3.A complete enumeration of the elements of a population or study objects is called a(n) а. Sample b. Element C. Sampling Unit d. Count е. None of the above

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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1. In the number {1,3,57,9} construct the following: a. List of the possible sample size of 3 that can be taken from this set of numbers. b. Sampling distribution of the sample means for the size of 3 and standard error
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A. When the sample is selected by picking people based on their position on a list using a sampling interval, what type of sampling is being done? B. When the sample is selected by breaking the sample up into groups based on a preexisting quality and samples from each of the existing groups, what type of sampling is being done? C. If a researcher is given a list of all 51,000 students that go to the university and each student has a 10% chance of being selected to participate in the study, what type of sampling has occurred? Options: Cluster Stratified Convienence Systematic Simple Random
A population consists of a batch of 24,683 aspirin tablets, and it includes 1,050 that are defective because they do not meet specifications. A random sample of n = 200 of the tablets is obtained and tested, with the result that 15 of them are defective. a. What is the population proportion, p, of defective aspirin tablets? b. What is the sample proportion, p, of defective tablets? c. How can the discrepancy between the population proportion and the sample proportion be explained? a. The population proportion of defective aspirin tablets is p = (Round to three decimal places as needed.) b. The sample proportion of defective aspirin tablets is p= (Round to three decimal places as needed.) c. Choose the correct answer below. C O A. There will always be a discrepancy between the population proportion and the sample proportion when the sample size is small. O B. Random samples collected with sound sampling methods vary, and the sample proportions differ from the population proportion…
A. Identify whether the statement is Simple Random Sampling, Cluster Sampling, Systematic Random Sampling or Stratified Random Sampling.
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Suppose you are hired to design how to implement a survey to try to predict who will win the race for mayor in the city of Modesto. While someone else will be writing the survey questions, you are in charge of making sure that the sampling method is not biased (otherwise the results are invalid). You decide to use stratified sampling to get a sample that represents the population. You are told that you need to subdivide the population into four or more subgroups. 1. Describe how you will subdivide the population into four or more subgroups. Explain. 2. Explain how you will be choosing the people that will be part of your sample.
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