Question 68

What will be the approximate average of all the prime numbers less than 15?

Solution

All the prime numbers less than 15 are 2, 3, 5, 7, 11, 13.

Approximate average of all the prime numbers less than 15 = $$\frac{sum\ of\ data}{number\ of\ data}$$

= $$\frac{2+3+5+7+11+13}{6}$$

= $$\frac{41}{6}$$

= 6.83

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