12. Staff members of a high school newspaper want to obtain an estimate of the average number of years teachers in the state have been teaching. At an educational conference attended by many teachers in the state, the staff members randomly selected 50 conference attendees and asked the attendees how long they have been teaching. Which of the following describes the sample and the population to which it would be most reasonable for the staff members to generalize the results? (A) The sample is the 50 conference attendees, and the population is all teachers in the state. (B) The sample is the 50 conference attendees, and the population is all conference attendees. (C) The sample is all conference attendees, and the population is all teachers in the state. (D) The sample is all conference attendees, and the population is the 50 conference attendees. (E) The sample is the average number of years that all conference attendees have taught, and the population is all conference attendees.

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下午1:20 4月20日周三
7 62%
•..
...
12. Staff members of a high school newspaper want to obtain an estimate of the average number of years teachers in
the state have been teaching. At an educational conference attended by many teachers in the state, the staff
members randomly selected 50 conference attendees and asked the attendees how long they have been teaching.
Which of the following describes the sample and the population to which it would be most reasonable for the
staff members to generalize the results?
(A) The sample is the 50 conference attendees, and the population is all teachers in the state.
(B) The sample is the 50 conference attendees, and the population is all conference attendees.
(C) The sample is all conference attendees, and the population is all teachers in the state.
(D) The sample is all conference attendees, and the population is the 50 conference attendees.
(E) The sample is the average number of years that all conference attendees have taught, and the population is
all conference attendees.
Transcribed Image Text:下午1:20 4月20日周三 7 62% •.. ... 12. Staff members of a high school newspaper want to obtain an estimate of the average number of years teachers in the state have been teaching. At an educational conference attended by many teachers in the state, the staff members randomly selected 50 conference attendees and asked the attendees how long they have been teaching. Which of the following describes the sample and the population to which it would be most reasonable for the staff members to generalize the results? (A) The sample is the 50 conference attendees, and the population is all teachers in the state. (B) The sample is the 50 conference attendees, and the population is all conference attendees. (C) The sample is all conference attendees, and the population is all teachers in the state. (D) The sample is all conference attendees, and the population is the 50 conference attendees. (E) The sample is the average number of years that all conference attendees have taught, and the population is all conference attendees.
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