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MMLU-Pro / 8107 / A telephone executive instructs an associate to contact 104 customers using…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A telephone executive instructs an associate to contact 104 customers using their service to obtain their opinions in regard to an idea for a new pricing package. The associate notes the number of customers whose names begin with A and uses a random number table to pick four of these names. She then proceeds to use the same procedure for each letter of the alphabet and combines the 4 × 26 = 104 results into a group to be contacted. Which of the following is a correct conclusion?

category

math

options

  1. Her procedure introduces bias through non-sampling error.
  2. Her procedure results in a systematic sample.
  3. Her procedure makes use of chance.
  4. Her procedure ensures a representative sample of customer opinions.
  5. Her procedure leads to a biased outcome due to the alphabetical selection process.
  6. Her procedure results in a simple random sample.
  7. Her procedure ensures every customer will be contacted.
  8. Each customer has an equal probability of being included in the survey.
  9. Her procedure introduces bias through sampling error.

src

ori_mmlu-high_school_statistics

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Source and history

upstream_id / Original problem ID
8107
task_id
98f575ca-651f-5824-9577-cee3e7488f79
task_key
default--test--8107
task_revision_id
1
config / split
default / test

Official source

initial import