Allied & ICAR Exam Bank • ALLIED_2735 MSQ • 2 Marks

Section 1: Engineering Mathematics

Probability and Statistics

Subtopic: Mean, median, mode and standard deviation

Question Statement:

Which of the following measures of central tendency or dispersion are INDEPENDENT of changes in origin?

Options:

  • (A) Variance
  • (B) Standard deviation
  • (C) Range
  • (D) Mean

Answer Key:

A, B, C

Step-by-Step Solution & Explanation

Adding a constant shifts the mean, but leaves all dispersion measures (variance, standard deviation, range, IQR) invariant.
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