(a) A chemist at a pharmaceutical company wants to test the quality of a new batch of microscopes. Which of the following best describes a systematic sample of microscopes? O O (b) A city manager wants to poll residents about a park renovation. Which of the following best describes a random sample of residents? O The city manager uses a computer program to draw 60 residents at random and selects these residents. Every set of 60 residents is equally likely to be drawn by the computer program. O The chemist takes a list of the microscopes and selects every 5th microscope until 50 microscopes are selected. The chemist forms group of 10 microscopes based on the laboratories that the microscopes are in. Then, he randomly chooses 5 groups and selects all of the microscopes in these groups. The microscopes in the first shipment that was received are easily accessible. So, he selects all 50 of the microscopes in this shipment. O (c) A host on a cruise ship wants to collect data on the time passengers spend at various activities on board. Which of the following best describes a cluster sample of passengers? O The city manager takes a list of the residents and selects every 6 resident until 60 residents are selected. The first 60 residents who walk into city hall one day are easily accessible. So, the city manager selects these residents. O The host assigns each passenger a different number. Using a random number table, he draws 54 of those numbers at random. Then, he selects the passengers assigned to the drawn numbers. Every set of 54 passengers is equally likely to be drawn using the random number table. The host forms groups of 9 passengers based on the passengers' ages. Then, he randomly chooses 6 groups and selects all of the passengers in these groups. The host forms 6 groups of passengers based on the levels of the ship that the passengers' cabins are on. Then, he selects 9 passengers at random from each group.
(a) A chemist at a pharmaceutical company wants to test the quality of a new batch of microscopes. Which of the following best describes a systematic sample of microscopes? O O (b) A city manager wants to poll residents about a park renovation. Which of the following best describes a random sample of residents? O The city manager uses a computer program to draw 60 residents at random and selects these residents. Every set of 60 residents is equally likely to be drawn by the computer program. O The chemist takes a list of the microscopes and selects every 5th microscope until 50 microscopes are selected. The chemist forms group of 10 microscopes based on the laboratories that the microscopes are in. Then, he randomly chooses 5 groups and selects all of the microscopes in these groups. The microscopes in the first shipment that was received are easily accessible. So, he selects all 50 of the microscopes in this shipment. O (c) A host on a cruise ship wants to collect data on the time passengers spend at various activities on board. Which of the following best describes a cluster sample of passengers? O The city manager takes a list of the residents and selects every 6 resident until 60 residents are selected. The first 60 residents who walk into city hall one day are easily accessible. So, the city manager selects these residents. O The host assigns each passenger a different number. Using a random number table, he draws 54 of those numbers at random. Then, he selects the passengers assigned to the drawn numbers. Every set of 54 passengers is equally likely to be drawn using the random number table. The host forms groups of 9 passengers based on the passengers' ages. Then, he randomly chooses 6 groups and selects all of the passengers in these groups. The host forms 6 groups of passengers based on the levels of the ship that the passengers' cabins are on. Then, he selects 9 passengers at random from each group.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Transcribed Image Text:(a)
O
chemist at a pharmaceutical company wants to test the quality of a new batch of microscopes. Which of the following best describes a systematic
sample of microscopes?
The chemist takes a list of the microscopes and selects every 5th microscope until 50 microscopes are selected.
The chemist forms groups of 10 microscopes based on the laboratories that the microscopes are in. Then, he randomly chooses 5 groups and
selects all of the microscopes in these groups.
The microscopes in the first shipment that was received are easily accessible. So, he selects all 50 of the microscopes in this shipment.
(b) A city manager wants to poll residents about a park renovation. Which of the following best describes a random sample of residents?
O
O
The city manager uses a computer program to draw 60 residents at random and selects these residents. Every set of 60 residents is equally likely
to be drawn by the computer program.
The city manager takes a list of the residents and selects every 6th resident until 60 residents are selected.
The first 60 residents who walk into city hall one day are easily accessible. So, the city manager selects these residents.
(c) A host on a cruise ship wants to collect data on the time passengers spend at various activities on board. Which of the following best describes a
cluster sample of passengers?
3
The host assigns each passenger a different number. Using a random number table, he draws 54 of those numbers at random. Then, he selects
the passengers assigned to the drawn numbers. Every set of 54 passengers is equally likely to be drawn using the random number table.
The host forms groups of 9 passengers based on the passengers' ages. Then, he randomly chooses 6 groups and selects all of the passengers in
these groups.
The host forms 6 groups of passengers based on the levels of the ship that the passengers cabins are on. Then, he selects 9 passengers at
random from each group.
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