Question

Nikita Seth mean of prime numbers between 10 and 20 is 12 do you agree with reasons​

Answer 1

Step-by-step explanation:

prime no.s bw 10 and 20 are 11 , 13 , 17 and 19

mean = sum of all observations divided by total no. of observations

mean = 11+13+17+19/4

= 60/4

= 15

so, i dont agree that their mean is 12

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Answer 2

Answer:

refer to the attachment

Step-by-step explanation:

Prime numbers between 10 and 20=11 ,13, 17, 19

n=4(even)

using formula:

(1/2)[(n/2)th term+(n/2+1)th term]

Hence 12 is the correct answer.

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