For the data set 7,5,10,11,12, the mean, x,is 9. what is the standard deviation

2.61

Step-by-step explanation:

Given data (x) :  7,5,10,11,12

Mean of the data :

Number of data values : n= 5

Now,

i.e.

Now, the standard deviation for this data is given by :-

answer: kljdcdhjbdlchjad oac apoich a

step-by-step explanation:

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.