1) Which of the following statements is/are true?I. Non-probability sampling becomes more efficient for heterogeneous populations.II. The sampling frame (in any applicable form) is a pre-requisite to conducting non-probability sampling methods.a. I onlyb. Il onlyc. both are true

The given two statements are, 1. Non-Probability sampling becomes more efficient for heterogeneous…

Answered: 1) Which of the following statements…

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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12. It is the process of selecting a sample from a large group based on the principle of chance. O A. Sampling O B. Simple Random Sampling C. Non-probability Sampling O D. Probability Sampling
***Part a) has already been answered, but I need help for parts b) and c) please*** Assume that the data below represent a population of N=24 values. Complete parts a, b, and c. 11 15 30 11 28 20 30 12 15 35 13 10 28 11 7 17 14 11 6 29 26 18 22 35 a. If a random sample of n=10 items includes the values below, compute the sampling error for the sample mean. 10 13 22 35 30 29 28 15 17 35 The sampling error for the sample mean is__4.48__(Round to two decimal places as needed.) b. For a sample of size =6,compute the range for the possible sampling error. (Hint: Find the sampling error for the 6 smallest sample values and the 6 largest sample values.) The possible sampling error ranges from____to____(Round to two decimal places as needed. Use ascending order.) c. For a sample of size n=12,compute the range for the possible sampling error. How does sample size affect the potential for extreme sampling error? The possible sampling error ranges from____to____(Round to two decimal…
Which of the following is true regarding the sample proportion p-hat, of "yes" responses? O The sample proportion from the sample of 900 is more likely to be close to the true population proportion, p. O The sample proportion from sample of 100 is more likely to be close to the true population proportion, p. O The sample proportion in either proposal is equally likely to be close to the true population proportion, p, since the sampling is random. O It is impossible to say one way or the other.
Suppose our experiments consist ofrolling a six-sided die. Then we can define the appropriate sample space as S ={1,2,3,4,5,6}.I.What is probability that we roll a 2?II.What is probability that we roll a 2 or 5?III.What is probability that we roll an even number?
30) Which among the following statement is true about the sampling method chosen here? a. This method is also known as judgement sampling b. It is a probability sampling method c. This method is based on the judgement of the researcher d. It is a non- probability sampling method
(2). location of its restaurants with the accompanying table of percentages. A restaurant is to be chosen at random from the 800 to test market a new style of chicken. A fast-food restaurant chain with 800 outlets in the United States describes the geographic Region SE SW NE Under 10,000 Population of City 10,000 - 100,000 Over 100,000 NW 0% 5% 5% 5% 6% 15% 4% 3% 15% 20% 12% 10% (a). population of 100,000 or less? Given that the restaurant chosen is in the northeast, what is the probability that the city it is in has a (b). that it is located in the northwest? Given that the restaurant chosen is in a city with population of 10,000 or more, what is the probability 1
A researcher posts a magazine advertisement offering $24 in exchange for participation in a short study. The researcher accepts the first six people who respond to the advertisement. Which of the following statements is true about the sample? OIt is not a valid sample because it is not a random sample of the population. O It is a valid sample because the first six people were selected to participate. O It is a valid sample because money was offered to participants. O It is not a valid sample because it is only a short study.
Which of these variables is a discrete random variable? a. the height of 12 randomly selected people in a store b. the time it takes for student in a class to complete a quiz c. the number of people wearing glasses in a classroom d. none of the above 2. The librarian surveys every 7th student from an alphabetized list to determine reading preferences for new purchases. What tipe of sampling method is used in this scenario a. systematic random sampling b. stratified random sampling c. simple random sampling d. cluster random sampling
The sampling distribution of a statistic is the distribution of values taken by a statistic in all possible samples of the same size from the same population. None of these. O b. O c. the probability that we obtain the statistic in repeated random samples of the same size from the same population. O d. the extent to which the sample results differ systematically from the truth. O e. the mechanism that determines whether randomization was effective.
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1) Which of the following statements is/are true? I. Non-probability sampling becomes more efficient for heterogeneous populations. II. The sampling frame (in any applicable form) is a pre-requisite to conducting non- probability sampling methods. a. I only b. Il only c. both are true