hawleyemily

08.12.2019 • 

Mathematics

Aschool newspaper will survey students about the quality of the
school’s lunch program. which method will create the least biased
results?
(1) twenty-five vegetarians are randomly surveyed.
(2) twenty-five students are randomly chosen from each grade
level.
(3) students who dislike the school’s lunch program are chosen to
complete the survey.
(4) a booth is set up in the cafeteria for the students to voluntarily
complete the survey.

Ответ:

bateman

12.01.2022

Mathematics

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Method 2 is the least biased.

1) vegetarians are a select group, so they might have a certain biased perspective
2) if students are chosen randomly from every grade, all grades are included and there will be a variety of responses
3)not all students dislike the program, so it is an unfair representation
4)only students who have a strong opinion will complete the survey

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Ответ:

EinsteinBro

26.12.2022

Mathematics

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Anyways for them to be congruent. You need to have two angles congruent and a congruent side in between

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