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a) A city manager wants to poll residents about a park renovation. Which of the following best describes a cluster sample of residents? 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 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 city manager takes a list of the residents and selects every 3rd resident until 72 residents are selected. 5) 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

a) A city manager wants to poll residents about a park renovation. Which of the following best describes a cluster sample of residents? 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 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 city manager takes a list of the residents and selects every 3rd resident until 72 residents are selected. 5) 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

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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(a) A city manager wants to poll residents about a park renovation. Which of the following best describes a cluster sample of residents? 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 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 city manager takes a list of the residents and selects every 3rd resident until 72 residents are selected. (b) 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 stratified sample of passengers? O The host forms groups of 10 passengers based on the passengers' ages. Then, he randomly chooses 5 groups and selects all of the passengers in these groups. O The host forms 2 groups of passengers based on the levels of the ship that the passengers' cabins are on. Then, he selects 25 passengers at random from each group. O The host selects the first 50 passengers who board because these passengers are easily accessible. (c) A botanist at a nursery wants to inspect the health of the plants at the nursery. Which of the following best describes a systematic sample of plants? O The botanist takes a list of the plants and selects every 6th plant until 60 plants are selected. O The botanist forms 5 groups of plants based on the ages of the plants (in months). Then, he selects 12 plants at random from each group. O The botanist assigns each plant a different number. Using a random number table, he draws 60 of those numbers at random. Then, he selects the plants assigned to the drawn numbers. Every set of 60 plants is equally likely to be drawn using the random number table.
Transcribed Image Text:(a) A city manager wants to poll residents about a park renovation. Which of the following best describes a cluster sample of residents? 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 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 city manager takes a list of the residents and selects every 3rd resident until 72 residents are selected. (b) 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 stratified sample of passengers? O The host forms groups of 10 passengers based on the passengers' ages. Then, he randomly chooses 5 groups and selects all of the passengers in these groups. O The host forms 2 groups of passengers based on the levels of the ship that the passengers' cabins are on. Then, he selects 25 passengers at random from each group. O The host selects the first 50 passengers who board because these passengers are easily accessible. (c) A botanist at a nursery wants to inspect the health of the plants at the nursery. Which of the following best describes a systematic sample of plants? O The botanist takes a list of the plants and selects every 6th plant until 60 plants are selected. O The botanist forms 5 groups of plants based on the ages of the plants (in months). Then, he selects 12 plants at random from each group. O The botanist assigns each plant a different number. Using a random number table, he draws 60 of those numbers at random. Then, he selects the plants assigned to the drawn numbers. Every set of 60 plants is equally likely to be drawn using the random number table.
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