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

What test type is used to compare means between two independent groups when assumptions are met?

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

The answer and the reasoning

A. Student t test

The defining Biostatistics principle supports Student t test; it directly accounts for the forensic observation, evidence requirement, or public-health measure in the question.

Option by option

  • A. Student t test (correct)

    Correct. Student t test best fits the important clue in this sample.

  • B. Kaplan-Meier curve

    Kaplan-Meier curve is not consistent with the finding or appropriate action described.

  • C. Chi-square test only

    Chi-square test only does not establish the requested biostatistics conclusion.

  • D. McNemar test

    McNemar test may be useful elsewhere but is not the best answer here.

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 A, Student t test. The defining Biostatistics principle supports Student t test; it directly accounts for the forensic observation, evidence requirement, or public-health measure in the question.

Why is "Kaplan-Meier curve" not the answer?

Kaplan-Meier curve is not consistent with the finding or appropriate action described.

Why is "Chi-square test only" not the answer?

Chi-square test only does not establish the requested biostatistics conclusion.

Why is "McNemar test" not the answer?

McNemar test may be useful elsewhere but is not the best answer here.

What concept does this question test?

It tests Biostatistics in PSM. The correct option holds because: Correct. Student t test best fits the important clue in this sample.

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.