Determine whether the sampling method described below appears to be sound or is flawed.In a survey of 764 human resource professionals, each was asked about the importance of the education of a job applicant. The survey subjects were randomly selected by pollstersfrom a reputable market research firm.Choose the correct answer below.OA. It is flawed because it is not statistically significant.OB. It is flawed because it is a voluntary response sample.O C. It appears to be sound because the data are not biased in any way.O D. It is flawed because it is a census.

According to the given informationwe havegiven that in a survey of 764 human resource professionals,…

Answered: Determine whether the sampling method…

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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study the effectiveness of a recent advertising campaign for a new menu item, a restaurant asks every fifth customer about their awareness of the new item. What type of sample is this? A. A judgment sample. B. A cluster sample. C. A convenience sample. D. A simple random sample. E. A systematic sample.
Trott and colleagues (2020) did a study to investigate if there was any association between eating disorder and exercise addiction. Study participants were recruited via an international group fitness e-newsletter and through Facebook, Instagram, Twitter through social media influencers from 8 April 2020 to 31 July 2020. What is the sampling method used in this study? 1.Convenience sampling 2.Quota sampling 3.Authoritative sampling 4.Snowball sampling
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 90% confident that the sample percentage is within 5.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 38% of air passengers prefer an aisle seat. (Round up to the nearest integer.)
Telephone surveys may use a telephone directory to identify individuals for study. Speculate on the type of household that would be uncovered by using this sampling frame
To conduct a door-to-door survey about crime victimization, a city official randomly selects 5 city blocks and surveys all the residents of these 5 city blocks. What type of sample is this?A. Simple Random SampleB. Systematic Random SampleC. Cluster SampleD. Multistage SampleE. Stratified Random Sample
Select at random, 200 University students from the list and send them a survey question online. what kind of sampling technique is most fitted to be used in this scenario.A. Snowball TechniqueB. Simple Random SamplingC. Purposive SamplingD. Stratified Random Sampling
A real-estate appraiser wants to verify the market value for homes on the east side of the city that are very similar to size and style. The appraiser wants to test the popular belief that the average sales price is $37.80 per square foot for such homes. Suppose that a random sample of six sales were selected. The sampled sales prices per square foot are $35.00, $38.10, $37.20, $29.80, $30.30, and $35.40. Assuming a normal distribution is a good model for sales, test the claim that the mean sales price per square foot differs from $37.80 at the 1% significance level.
Determine whether the following sampling is dependent or independent. Indicate whether the response variable is qualitative or quantitative. A researcher wishes to compare annual salaries of married mathematicians and their spouses. She obtains a random sample of 669 such couples who work and determines each spouse's annual salary. 1. Determine whether the following sampling is dependent or independent. 2. Indicate whether the response variable is qualitative or quantitative
The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a final decision, the council asked the chief of police to survey other cities of similar size to determine the relationship between the number of police and the number of crimes reported. The chief gathered the following sample information. City Police Number of Crimes City Police Number of Crimes Oxford 13 13 Holgate 14 5 Starksville 14 12 Carey 11 16 Danville 20 5 Whistler 9 20 Athens 23 7 Woodville 18 6 Click here for the Excel Data Filea. Determine the regression equation. (Negative amounts should be indicated by a minus sign. Round your answers to 4 decimal places.) b. Estimate the number of crimes for a city with 24 police officers. (Round your answer to the nearest whole number.) c. Interpret the regression…
The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a final decision, the council asked the chief of police to survey other cities of similar size to determine the relationship between the number of police and the number of crimes reported. The chief gathered the following sample information. City Police Number of Crimes City Police Number of Crimes Oxford 15 19 Holgate 17 10 Starksville 17 16 Carey 11 23 Danville 25 8 Whistler 9 27 Athens 28 10 Woodville 21 10 Click here for the Excel Data Filea. Determine the regression equation. (Negative amounts should be indicated by a minus sign. Round your answers to 4 decimal places.) b. Estimate the number of crimes for a city with 20 police officers. (Round your answer to the nearest whole number.)
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