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MHT CET Maths Model Test 02 — MHT - CET STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMHT - CETMHT CET Maths Model Test 021 Mark
MCQ
The variance and mean of distribution are 16 and 7 respectively. If every value is decreased by 3, then ______
  • A
    both will remain the same.
  • ✓
    mean will be decreased by 3 but the variance will remain the same.
  • C
    the variance will be decreased by 3 whereas the mean will be the same.
  • D
    variance and mean each will be decrease by 3.
✓

Answer

Correct option: B.
mean will be decreased by 3 but the variance will remain the same.
B

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