Question

Help, will medal

Answer 1

add up the last values in each row
what do you get/

Answer 2

That large E like character means the ' sum of all these 10 values'

Answer 3

this sum is the answer to step 2

Answer 4

Is this Sigma notation? mind if i stick around?

Answer 5

Well for the first row the total is 0. And for the second row is 224

Answer 6

@welshfella

Answer 7

@welshfella,, are you there?

Answer 8

@cc_peach

Answer 9

Idk where he went, I really need help

Answer 10

the second row is 224, that's answer for step 2

Answer 11

\[Standard deviation(S)=\sqrt{\frac{ \sum_{i=1}^{10} (x _{i}-\mu)^2}{ n-1 }}\]=\[\sqrt{\frac{ 224 }{ 10-1 }}\]

Answer 12

So for step 3, it is 224 divided by 9?

Answer 13

= sqrt((24.89)

Answer 14

- sorry i got called away

Answer 15

no, it's \[\sqrt{\frac{ 224 }{ 9 }}\]

Answer 16

So 24.89

Answer 17

divide 224 by 9 first .
Then take the square root

Answer 18

For step 3 ,,, 24.89

Answer 19

the standard deviation = sqrt (24.89)

Answer 20

Okay so for step three the answer is sqrt 24.89

Answer 21

yes

Answer 22

so grab your calculator and evaluate it

Answer 23

4.99

Answer 24

yea

Answer 25

Is that all?

Answer 26

Thank you