Question

What is the mean, variance, and standard deviation of the values? Round to the nearest tenth. 1,9,4,12,13,13

Answer 1

Do you know how to calculate the mean?

Answer 2

yes you just add together the numbers and divide by the number of factors right?

Answer 3

Yes! now do that with these, and what do you get?

Answer 4

8.7

Answer 5

Good, you have your mean. You're 1/3 of the way there!! Do you know how to calculate standard deviation?

Answer 6

No I tried to google it but I got confused

Answer 7

Okay well here is a link to a calculator that calculates mean, variance, and standard deviation, I think once you see how it works there you'll be like 'ohhhh" :)

Answer 8

http://easycalculation.com/statistics/standard-deviation.php

Answer 9

Does that help? :)

Answer 10

yes!! thank you so much!!!!

Answer 11

No problem, tag me on any other questions you need help on :)

Answer 12

I have one more so the tag is coming :)

Answer 13

ah man no tips? MAANNNNN I GOTTA GET DAT DOUGH SON!

Answer 14

I'm just kidding :P

Answer 15

Lol I have a tip! Keep up the good work son!! lol jk

Answer 16

By tip I meant a medal :P by clicking best response

Answer 17

Lol Done!

Answer 18

Yayyyyyy THIS CITY OF OPEN STUDY NEEDS ME *batman music*

Answer 19

Oh wait crap I forgot I'm the joker... nevermind!

Answer 20

every city needs a villian