Biostatistics: practice question

A PSM question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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PSM · Biostatistics

Sample item

Which measure is least affected by extreme skewed values?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

D. Median

This Biostatistics item is resolved by the defining principle: Median best matches the stated finding or public-health measure.

Option by option

  • A. Variance

    Variance may be relevant elsewhere, but it conflicts with the central fact given here.

  • B. Standard deviation

    Standard deviation does not explain the finding or provide the indicated intervention.

  • C. Mean

    Mean is not the best fit because it does not establish the requested biostatistics conclusion.

  • D. Median (correct)

    Correct. Median directly addresses the key clue in this scenario.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

More PSM questions

Questions about this PSM question

What is the answer to this PSM question?

The best answer is D, Median. This Biostatistics item is resolved by the defining principle: Median best matches the stated finding or public-health measure.

Why is "Variance" not the answer?

Variance may be relevant elsewhere, but it conflicts with the central fact given here.

Why is "Standard deviation" not the answer?

Standard deviation does not explain the finding or provide the indicated intervention.

Why is "Mean" not the answer?

Mean is not the best fit because it does not establish the requested biostatistics conclusion.

What concept does this question test?

It tests Biostatistics in PSM. The correct option holds because: Correct. Median directly addresses the key clue in this scenario.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Biostatistics?

Practise biostatistics with small calculations until sensitivity, predictive values and risk measures are automatic. Then use the flashcards and the other PSM questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.