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Which of the following are examples of a population? (Select all that apply.)

people in Colorado

students in your school

antelope in Wyoming

proportion of students who graduate

percentage of people who own a car

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Karol E.
Karol E.Lv8
19 Mar 2021
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Related textbook solutions

Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

Related questions

Which sample fairly represents the population? check all that apply

A) Measuring the heights of every fiftieth person on the school roster to determine the average heights of the boys in the school.
 
B) Calling every third person on the soccer team’s roster to determine how many of the team members have completed their fundraising assignment.
 
C) Observing every person walking down the main street at 5 p. m. one evening to determine the percentage of people who wear glasses.
 
D) Sending a confidential e-mail survey to every one-hundredth parent in the school district to determine the overall satisfaction of the residents of the town.
 
E) Taking a poll in the lunchroom (where all students currently have to eat lunch) to determine the number of students who want to be able to leave campus during lunch.

Which sample fairly represents the population? Check all that apply.

1) measuring the heights of every fiftieth person on the school roster to determine the average heights of the boys in the school.

2) calling every third person on the soccer team’s roster to determine how many of the team members have completed their fundraising assignment observing every person.

3) walking down Main Street at 5 p.m. one evening to determine the percentage of people who wear glasses.

4) sending a confidential e-mail survey to every one-hundredth parent in the school district to determine the overall satisfaction of the residents of the town.

5) taking a poll in the lunchroom (where all students currently have to eat lunch) to determine the number of students who want to be able to leave campus during lunch

It is believed that about 35% of high school students vape (This includes nicotine flavored liquids, marijuana, and hash oil). Researchers conducted a study of 425 students to determine if the proportion of high school students who vape is different from 35%. From their study they found that 155 high school students admit to vaping. State the value of the relevant statistic (round your answer to 3 decimal places).

  1. What is the relevant statistic?
  2. What is the 95% confidence interval?
  3. What are the null and alternative hypothesis?
  4. Is it plausible that 38% of all high school students vape?

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