(a) A host on a cruise ship warits systematic sample of passengers? O The host forms 4 groups of passengers based on the levels of the ship that the passengers' cabins are on. Then, he selects 16 passengers at random from each group. The host assigns each passenger a different number. Using a random numher table, he draws 64 of those numbers at random. Then, he selects the passengers assigned to the drawn numbers. Every set of 64 passengers is equally likely to be drawn using the random number table. O The host takes a list of the passengers and selects every 4" passenger until 64 passengers are selected. (b) A chemist at a pharmaceutical company wants to test the quality of a new batch of microscopes. Which of the following best describes a convenience sample of microscopes? O The chemist takes a list of the microscopes and selects every 7h microscope until 56 microscopes are selected. O The microscopes in the first shipment that was received are easily accessible. So, he selects all S6 of the microscopes in this shipment. O The chemist assigns each microscope a different number. Using a random number table, he draws 56 of those numbers at random. Then, he selects the microscopes assigned to the drawn numbers. Every set of 56 microscopes is equally likely to be drawn using the random number table. (c) A city manager wants to poll residents about a park renovation. Which of the following best describes a stratified sample of residents? O The city manager forms groups of 8 residents based on the streets the residents live on. Then, she selects all of the residents in 9 randomly chosen groups. O The first 72 residents who walk into city hall one day are easily accessible. So, the city manager selects these residents. O The city manager forms 6 groups of residents based on the residents' incomes. Then, she selects 12 residents at random from each group.
(a) A host on a cruise ship warits systematic sample of passengers? O The host forms 4 groups of passengers based on the levels of the ship that the passengers' cabins are on. Then, he selects 16 passengers at random from each group. The host assigns each passenger a different number. Using a random numher table, he draws 64 of those numbers at random. Then, he selects the passengers assigned to the drawn numbers. Every set of 64 passengers is equally likely to be drawn using the random number table. O The host takes a list of the passengers and selects every 4" passenger until 64 passengers are selected. (b) A chemist at a pharmaceutical company wants to test the quality of a new batch of microscopes. Which of the following best describes a convenience sample of microscopes? O The chemist takes a list of the microscopes and selects every 7h microscope until 56 microscopes are selected. O The microscopes in the first shipment that was received are easily accessible. So, he selects all S6 of the microscopes in this shipment. O The chemist assigns each microscope a different number. Using a random number table, he draws 56 of those numbers at random. Then, he selects the microscopes assigned to the drawn numbers. Every set of 56 microscopes is equally likely to be drawn using the random number table. (c) A city manager wants to poll residents about a park renovation. Which of the following best describes a stratified sample of residents? O The city manager forms groups of 8 residents based on the streets the residents live on. Then, she selects all of the residents in 9 randomly chosen groups. O The first 72 residents who walk into city hall one day are easily accessible. So, the city manager selects these residents. O The city manager forms 6 groups of residents based on the residents' incomes. Then, she selects 12 residents at random from each group.
MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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Transcribed Image Text:O STATISTICS
Classifying samples
Noah v
Espalol
(a) 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
systematic sample of passengers?
The host forms 4 groups of passengers based on the levels of the ship that the passengers' cabins are on. Then, he selects 16 passengers at random
from each group.
圖
The host assigns each passenger a different number. Using a random numker table, he draws 64 of those numbers at random. Then, he selects the
passengers assigned to the drawn numbers. Every set of 64 passengers is equally likely to be drawn using the random number table.
th
O The host takes a list of the passengers and selects every 4" passenger until 64 passengers are selected.
(b) A chemist at a pharmaceutical ocompany wants to test the quality of a new batch of microscopes. Which of the following best describes a convenience
sample of microscopes?
The chemist takes a list of the microscopes and selects every 7" microscope until 56 microscopes are selected.
The microscopes in the first shipment that was received are easily accessible. So, he selects all 56 of the microscopes in this shipment.
The chemist assigns each microscope a different number. Using a random number table, he draws 56 of those numbers at random. Then, he selects
the microscopes assigned to the drawn numbers. Every set of 56 microscopes is equally likely to be drawn using the random number table.
(c) A city manager wants to poll residents about a park renovation. Which of the following best describes a stratified sample of residents?
The city manager forms groups of 8 residents based on the streets the residents live on. Then, she selects all of the residents in 9 randomly chosen
groups.
The first 72 residents who walk into city hall one day are easily accessible. So, the city manager selects these residents.
The city manager forms 6 groups of residents based on the residents' incomes. Then, she selects 12 residents at random from each group.
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Expert Solution
Step 1
Q1)
Option c) is correct.
The host takes a list of the passengers and selects every 4th passenger until 64 passengers are selected.
Q2)
Option b) is correct.
The microscopes in the first shipment that was received are easily available. So, he selects all 56.
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