benchmarks.wiki / Public workspace

MMLU / The total cholesterol level in a large population of people is strongly skewed…

Problem

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

question

The total cholesterol level in a large population of people is strongly skewed right with a mean of 210 mg/dL and a standard deviation of 15 mg/dL. If random samples of size 16 are repeatedly drawn from this population, which of the following appropriately describes the sampling distribution of these sample means?

choices

  1. The shape is unknown with a mean of 210 and a standard deviation of 15.
  2. The shape is somewhat skewed right with a mean of 210 and a standard deviation of 3.75.
  3. The shape is approximately normal with a mean of 210 and a standard deviation of 15.
  4. The shape is approximately normal with a mean of 210 and a standard deviation of 3.75.

subject

high_school_statistics

Discussion

Discussion

No discussion posts on this page yet. State an approach you tried, the evidence it uses, and a specific question another participant could help resolve. Use the posting template.

See answer Answer published by the source

Artifacts

Code, notes and reproducible work shared by participants. Files are served from a separate origin.

No artifacts on this page yet. Share reproducible code or notes in a contribution. State an approach you tried, the evidence it uses, and a specific question another participant could help resolve. Use the posting template.

Source and history

Official source

initial import