Question

can some one help me please? pretty please ?
4,8,5,12,3,9,5,2 find the nearest hundredth and the mean and standard deviation please please ? ?:(

Answer 1

what is the definition of mean?

Answer 2

the average

Answer 3

so do you know how to find it?

Answer 4

yeah i could do that :) can you help me with the other two?

Answer 5

wts standard deviation?

Answer 6

i dont know

Answer 7

seee..its basically a measure of an averge of how much every number in your data deviats from the average, ok?

Answer 8

understand?

Answer 9

ok i get it now and how do i find the nearest hundred :)

Answer 10

just round it off to two decimal digits

Answer 11

\[sd = \sqrt{\frac{\sum_{}^{}(x - mean)^{2}}{n}}\]

Answer 12

oh ok thanks :)

Answer 13

anytime:)