Question

Find mean and midean of first 5 prime numbers ​

Answer 1

Answer:

First 5 prime numbers is 2,3,5,7and 11.

Mean=sum of all data point /Number of data point

Mean=2+3+5+7+11/5

=28/5

Mean =5.6

Medium ={(n+1)÷2}

={(5+1)÷2}

={(6)÷2}

=6÷2

Medium =3

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Answer 2

Answer:

first 5 prime numbers are : 2 , 3 , 5 , 7 , 11

$mean \: = \frac{sum \: of \: observation}{number \: of \: observation} \\ = \frac{2 + 3 + 5 + 7 + 11}{5} \\ = \frac{28}{5} \\ = 5.6$

$n \: = 5 = odd\\ median \: = ( \frac{n + 1}{2} )^{th \: observation} \\ = ( \frac{5 + 1}{2} )^{th \: observation} \\ = ( \frac{6}{2} )^{th \: observation} \\ = 3^{rd\: observation} \\ \\ therefore \: median \: is \: 5$

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