Question

Algebra help, please!

Answer 1

@jim_thompson5910

Answer 2

Anyone?

Answer 3

so you need help or you just need your answer checked?

if you need help with the steps, you would add up the values and then divide by 10 (since there are ten values) to get the mean

Answer 4

The answer that i have selected on there is wrong.

Answer 5

as for the standard deviation, you should use a calculator like this one

http://www.miniwebtool.com/sample-standard-deviation-calculator/

Answer 6

ok i got, 1.5?

Answer 7

nvm they want the population standard deviation, so use this

http://www.miniwebtool.com/population-standard-deviation-calculator/

Answer 8

so copy/paste what you typed in to save time

Answer 9

1.4?

Answer 10

1.426884719 yes

Answer 11

is what i got.

Answer 12

which rounds to 1.43

Answer 13

So my answer would either be, A or B.

Answer 14

now find the mean

Answer 15

How do I do that.

Answer 16

add up the values and then divide by 10 (since there are ten values) to get the mean

Answer 17

okay.

Answer 18

11.8!

Answer 19

Now what?

Answer 20

you have the mean of 11.8 (which is the correct mean) and the standard deviation of 1.43, so you have the answers you need to finish up

Answer 21

Thank you very much.

Answer 22

you're welcome