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Select the scenario which is an example of simple random sampling. Answer Keypad Keyboard Shortcuts Tables A mobile network operator wants to determine the mean age of its most active subscribers. A random sample of subscribers with the number of text messages exceeding 30 per day was chosen. City managers want to find out the public's opinion of a newly reconstructed road. They use a local TV station to encourage citizens to make a call to their hot line and share their experience. Half of the working-age population in the county is under 35 years old, and another half is over 35 years old. The county administration wants to estimate the mean O salary for the two age groups, so they select 500 working-age residents that are younger than 35 and 500 working-age residents that are older than 35 and ask them about their salary. O Two friends conducted a survey among their schoolmates to find out how much time schoolchildren spend reading books during the summer.

Select the scenario which is an example of simple random sampling. Answer Keypad Keyboard Shortcuts Tables A mobile network operator wants to determine the mean age of its most active subscribers. A random sample of subscribers with the number of text messages exceeding 30 per day was chosen. City managers want to find out the public's opinion of a newly reconstructed road. They use a local TV station to encourage citizens to make a call to their hot line and share their experience. Half of the working-age population in the county is under 35 years old, and another half is over 35 years old. The county administration wants to estimate the mean O salary for the two age groups, so they select 500 working-age residents that are younger than 35 and 500 working-age residents that are older than 35 and ask them about their salary. O Two friends conducted a survey among their schoolmates to find out how much time schoolchildren spend reading books during the summer.

ENGR.ECONOMIC ANALYSIS
ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Select the scenario which is an example of simple random sampling. Answer Keypad Keyboard Shortcuts Tables A mobile network operator wants to determine the mean age of its most active subscribers. A random sample of subscribers with the number of text messages exceeding 30 per day was chosen. City managers want to find out the public's opinion of a newly reconstructed road. They use a local TV station to encourage citizens to make a call to their hot line and share their experience. Half of the working-age population in the county is under 35 years old, and another half is over 35 years old. The county administration wants to estimate the mean O salary for the two age groups, so they select 500 working-age residents that are younger than 35 and 500 working-age residents that are older than 35 and ask them about their salary. O Two friends conducted a survey among their schoolmates to find out how much time schoolchildren spend reading books during the summer.
Transcribed Image Text:Select the scenario which is an example of simple random sampling. Answer Keypad Keyboard Shortcuts Tables A mobile network operator wants to determine the mean age of its most active subscribers. A random sample of subscribers with the number of text messages exceeding 30 per day was chosen. City managers want to find out the public's opinion of a newly reconstructed road. They use a local TV station to encourage citizens to make a call to their hot line and share their experience. Half of the working-age population in the county is under 35 years old, and another half is over 35 years old. The county administration wants to estimate the mean O salary for the two age groups, so they select 500 working-age residents that are younger than 35 and 500 working-age residents that are older than 35 and ask them about their salary. O Two friends conducted a survey among their schoolmates to find out how much time schoolchildren spend reading books during the summer.
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