Question 69

The mean of prime numbers between 20 and 45 is:

Solution

The prime numbers between 20 and 45 are 23, 29, 31, 37, 41, 43.

mean = $$\frac{sum\ of\ data}{number\ of\ data}$$

= $$\frac{23+29+31+37+41+43}{6}$$

= $$\frac{204}{6}$$

= 34

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