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GATE 2026 XH5 (Psychology) – Question 43

Research Methods and Statistics · Statistics in Psychology: Central tendency and dispersion, normal probability curve, parametric and non-parametric tests, effect size and power analysis · 1 mark · Multiple choice

Find the value of Standard Error when:

(i) Standard Deviation of the population = 10

(ii) Sample size = 100

  1. 10
  2. 10.01
  3. 1
  4. 3

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Correct answer: (C) 1

Explanation

The standard error of the mean is $\frac{\sigma}{\sqrt{n}} = \frac{10}{\sqrt{100}} = 1$.