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Statistics — Maths STD 11 Science — Question

CBSE BoardEnglish MediumSTD 11 ScienceMathsStatistics1 Mark
MCQ
The mean of first five prime numbers is:
  • A
    $3$
  • B
    $3.6$
  • C
    $7$
  • ✓
    $5.6$
✓

Answer

Correct option: D.
$5.6$
The first five prime numbers are $2, 3, 5, 7, 11$
$\text{Mean}=\frac{\text{sum of the terms}}{\text{no. of terms}}$
$\text{Mean}=\frac{2+3+5+7+11}{5}$
$=\frac{28}{5}$
$=5.6$

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