Which of the following statements is one of the advantages of simple random sampling method? Always feasible in practice Representative of the population in the long run Given certain condition, precision may be increase Can be perfomed when no elementary unit list is available Every enumeration unit is identified by stratum in advance

Which of the following statements is one of the advantages of simple random sampling method? Always feasible in practice Representative of the population in the long run Given certain condition, precision may be increase Can be perfomed when no elementary unit list is available Every enumeration unit is identified by stratum in advance

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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Selection bias occurs when O the population has been divided into strata cluster sampling is used instead of stratified random sampling O portions of the population are excluded from the consideration for the sample those responding to a survey or poll differ systematically from the nonrespondents
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et's look at attendance between the two leagues and draw some conclusions. For purposes parts D and E, we are assuming that separating the data into 2 groups based on League is considered sampling; thus, we have 2 samples (American League and National League) and assume we do NOT know the population standard deviations for both "populations" (we only have 1 overall population, not 2). What was the average attendance in each league? Round your answer to 3 decimal places. American League average attendance mil National League average attendance mil space space Perform a hypothesis test to determine whether there is a difference in the mean attendance of teams in the American League vs teams in the National League. Use a 0.05 level of significance in your testing procedures. Additionally: You will need to know the standard deviations and variances for attendance in each league to conduct this test. We are assuming that both American and National League attendance…
The estimated standard error of the mean for a relevant sampling distribution provides an indicator of: The average or standard amount we expect a sample mean to differ from the population mean, if the null hypothesis is true The average or standard amount we expect two study condition means to differ from one another in a repeated measures study design due to chance, if the null hypothesis is true All of these answers are correct The average or standard amount we expect two sample group means to differ from one another in an independent groups study design due to chance, if the null hypothesis is true
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Simple random sampling uses a sample of size n from a populaiton of size N to obtain data that can be used to make inferences about the characteristics of a population. Suppose that, from a population of 50 bank accounts, we want to take a random sample of four accounts in order to learn about the population. how many different random samples of four accounts are possible? Show steps in Excel
True or false? Even with small sizes ( e.g. 15 people), the sampling distribution will always be exactly normally distributed.
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STRATIFIED Random Sampling 1. Below is the number of students taking up statistics from each department. A seminar will be conducted outside the campus: Table 1: Number of Students enrolled in Statistics Course Number of Percent (c) (d) students (0.0000) (whole no.) (whole no.) Nursing 1,120 HRM 589 Engineering 557 IT 434 Total 2,700 a. Which between the 3% and the 5% margin of error will allow the department to work within the budget? Justify your answer. b. At 5% margin of error, how many participants should be taken as samples? c. Using proportional allocation, how many participants will be taken from each department (refer to n in "b")? d. Using equal allocation, how many participants will be taken from each department (refer to n in "b")?
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Gaps are; Yes it is/No, it is not is/is not npO is less than 5 but n(1-po) is 5 or greater, both npo and n(1-po) are 5 or greeater, npo is 5 or greater but n(1-po) is less than 5 thanks