(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 2 groups of residents based on the residents' incomes. Then, she selects 25 residents at random from each group.The city manager forms groups of 10 residents based on the streets the residents live on. Then, she selects all of the residents in 5 randomlychosen groups.The first 50 residents who walk into city hall one day are easily accessible. So, the city manager selects these residents.ExplanationCheck2021 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center | Accessibilia7:45 PM|耳Type here to search9/21/202110insern144&backsp7.EY.00L.%24 (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 systematicsample of microscopes?The chemist assigns each microscope a different number. Using a random number table, he draws 72 of those numbers at random. Then, heselects the microscopes assigned to the drawn numbers. Every set of 72 microscopes is equally likely to be drawn using the random numbertable.The chemist forms 6 groups of microscopes based on the prices of the microscopes. Then, he selects 12 microscopes at random from eachgroup.The chemist takes a list of the microscopes and selects every 3 microscope until 72 microscopes are selected.3rd(An(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 aconvenience sample of passengers?The host takes a list of the passengers and selects every 4thpassenger until 80 passengers are selected.The host assigns each passenger a different number. Using a random number table, he draws 80 of those numbers at random. Then, he selectsthe passengers assigned to the drawn numbers. Every set of 80 passengers is equally likely to be drawn using the random number table.The host selects the first 80 passengers who board because these passengers are easily accessible.%3DExplanationCheck2021 McGraw Hill LLC All Rights Reserved.Terms of Use Privacy Center Accessibility7:45 PM9/21/2021耳Type here to searchnsert144JLpacksoace&7.8.3.41Y.U5.%24

Question

Accepted Answer

Solution;
When the population is not homogeneous, the entire population is divided into several…