Question

if mean of first n whole numbers is 27 then what will be the median of these numbers. pls answer its urgent​

Answer 1

Answer:

4

Step-by-step explanation:

this is the correct answer

Answer 2

Answer: Median of first n whole numbers is 28.

Step-by-step explanation:

$Mean\ of\ first\ n\ whole\ numbers =27\\Mean =Sum\ of\ all\ terms/no.\ of \ terms$

$Sum\ of\ n\ terms=n/2[2a+(n-1)d]=n/2[n-1]\\Mean={n(n-1)/2}\div n=(n-1)/2\\(n-1)/2=27\\n=55$

When the no. of observations is odd,

$Median=(n+1)/2 th\ observation=(55+1)/2=28$

Median is the middle value of the given set of numbers while mean is the sum of all given numbers in the set/no. of data values present in the set.