Question

Find mean of first 10 natural number

Answer 1

Answer:

Mean is 5.5

Step-by-step explanation:

sum first n natural number is given by

=n(n+1)/2

here n=10

we get sum of first 10 natural number is

= 10(10+1)/2

=10(11)/2

=110/2

=55

mean of 10 natural number is

Mean = sub of observation/ number of observation

mean= 55/10

Mean =5.5

Answer 2

Answer:      

( 1+2+3+4+5+6+7+8+9+10 )

/

10  = 55/10 = 5.5 or 11/2

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