Q1: Identify the sampling technique used in the above scenarios. B puts students' names in a hat and then selects his sample by picking 5 names, from his hat. B wants to check the airport security and for that he choose the first 50people to pass through a checkpoint. B wants to check the food quality of the products and for that he selects every 10thitems as her sample. B want to analyze the job satisfaction level among employees. He divided employees on the basis of “managers” and “non-managerial employees” and then randomly select 10 persons from each group. B want to study on gambling addiction and realized that it is difficult to get in contact with gambling addictive. He had however been in contact with one individual gambler in the initial phase of the study. When he interviewed him he asked if he had knowledge of other gamblers. The gambler gave references for two persons. When these two persons were interviewed, one gambler give reference of the other gambler whereas the other one said he does not know anyone. B wants to assist an advertising firm who want to conduct a survey. They want to know the average number of hours each week the individuals spent in watching television in a country. For the purpose of data collection, they break the country into two parts (i) urban (ii) rural and decided to take 50% of the sample from each part. An airline company wants to survey its customers, so they divided the flight schedule region wise. The airline select one region and survey every passenger that take flight of that region

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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Q1: Identify the sampling technique used in the above scenarios.

B puts students' names in a hat and then selects his sample by picking 5 names, from his hat.
B wants to check the airport security and for that he choose the first 50people to pass through a checkpoint.
B wants to check the food quality of the products and for that he selects every 10^thitems as her sample.
B want to analyze the job satisfaction level among employees. He divided employees on the basis of “managers” and “non-managerial employees” and then randomly select 10 persons from each group.
B want to study on gambling addiction and realized that it is difficult to get in contact with gambling addictive. He had however been in contact with one individual gambler in the initial phase of the study. When he interviewed him he asked if he had knowledge of other gamblers. The gambler gave references for two persons. When these two persons were interviewed, one gambler give reference of the other gambler whereas the other one said he does not know anyone.
B wants to assist an advertising firm who want to conduct a survey. They want to know the average number of hours each week the individuals spent in watching television in a country. For the purpose of data collection, they break the country into two parts (i) urban (ii) rural and decided to take 50% of the sample from each part.
An airline company wants to survey its customers, so they divided the flight schedule region wise. The airline select one region and survey every passenger that take flight of that region

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