The heights, x cm, of the 10 girls in an athletics team are such that
sum of x (∈x) =1550 and ∈x∧2= 241250
a- find the mean and variance
b- one girl, who is 173cm tall, drops out of the tem. calculate the mean and variance of the heights of the remaining nine members of the team

steve should create a type of business report called a business plan. the correct option among the options that are already given in the question is the last or the fourth option. this business report created by steve will actually influence the investors about investing their money in steve's business. this business report will have all the details about the business, the amount of investment required and the amount of expected profit.

answer: h=5.6 i don't really know how to put into words, so i though i would let you do that. i hope i was able to some

step-by-step explanation:

18 = 6(h)+1/2

18 = 6h+1/2

18-1 = 6h/2

17 = 3h

17/3 = h

h = 5.6