Population, Sample, and Bias
2 years ago
mrsaronovitz
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16 QuestionsShow answers
  • Question 1
    20 seconds
    Q. 1. A sample in which every person, object, or event has an equal chance of being selected.
    answer choices
    A. Random sample.
    B. Biased sample.
  • Question 2
    20 seconds
    Q. 2. When a sample does not accurately represent the population it is a:
    answer choices
    A. Unbiased sample
    B. Biased sample
  • Question 3
    20 seconds
    Q. 3. A public library asked every 10th person who entered to name the type of book they were getting.
    answer choices
    A. Biased
    B. Unbiased
  • Question 4
    20 seconds
    Q. 4.  Carlos wants to know the favorite sport of people at his school so he asks his baseball team.
    answer choices
    A. Biased
    B. Unbiased
  • Question 5
    20 seconds
    Q. 5.  A hospital wants to open a gym. They ask the night-shift ER staff when they would use the gym.
    answer choices
    Biased
    Unbiased
  • Question 6
    20 seconds
    Q. 6. Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?
    answer choices
    A. Thirty randomly selected students from her school
    B. Thirty students who are rarely tardy
    thirty of her friends
  • Question 7
    20 seconds
    Q. 7. The choir director in a high school wants to know how the students in the school feel about singing. If the director selects 100 girls and 100 boys to complete a survey, which method will result in a biased sample?
    answer choices
    A. The students will be selected from the choir.
    B. The students will be selected randomly throughout the school.
  • Question 8
    20 seconds
    Q. 8. At a middle school, the 7th graders will conduct a survey for where to go on a field trip.
    Which method will result in the least biased decision?
    answer choices
    A. To randomly ask 8th grade students who went on a field trip last year.
    B. To randomly choose some 7th grade students to select a location.
  • Question 9
    20 seconds
    Q. 9. Mrs. Croix is conducting a survey to find out the favorite snack of fifth and sixth graders. She will ask a sample of 100 students. Which of the groups below should be surveyed to get the BEST representative sample?
    answer choices
    A. 20 students from each of the 5 local fifth- and sixth-grade schools.
    B. The first 100 students who go to a local baseball game
  • Question 10
    20 seconds
    Q. 10. A teacher decides to survey the students in her classes to find out their opinion on the new menu in the cafeteria.  Is this biased or unbiased?
    answer choices
    Biased
    Unbiased
  • Question 11
    20 seconds
    Q. 11. Larger random sample sizes are more representative of a population.
    answer choices
    A. True
    B. False
  • Question 12
    20 seconds
    Q. 12. Which random sample is the more likely it is to represent the population of a Jupiter Middle School  accurately?
    answer choices
    A. Five students of a school.
    B. Five hundred students of a school.
  • Question 13
    20 seconds
    Q. 13. Which random sample is the least likely   to represent the population of a Jupiter Middle School students accurately?
    answer choices
    A. Five students of a school.
    B. Five hundred students of a school.
  • Question 14
    20 seconds
    Q. 14. Biased questions lead people to answer a particular way.
    answer choices
    A. True
    B. False
  • Question 15
    20 seconds
    Q. 15. Is the following question biased? 
    Are stoplights needed at the intersection of Main and Perry Streets?
    answer choices
    A. Not biased/ Unbiased
    B. Biased
  • Question 16
    20 seconds
    Q. 16. Is the following question biased? Remember biased questions lead people to answer a particular way.
    Fewer accidents occur at intersections with stoplights than at intersections that do not have stoplights.  Would you be in favor of stoplights  at the intersection of Main and Perry Streets?
    answer choices
    A. Not biased/ Unbiased
    B. Biased
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