Solution: We are given:
μ=180,σ=25,n=100
Therefore the standard error of the mean is



C
Trinomial means three parts
A and C or trinomial's but the degree on a is at three and the degree of C is a one
Hey there!
Median number :-
Given numbers are
2,1,3,5,3,1,4
Arranging in ascending order,
1,1,2,3,3,4,5
Median = 3
Hope this helps :)