Question

Help on this ? Is this Standard Deviation?

Answer 1

@Vocaloid

Answer 2

@Layla

Answer 3

@Layla @Vocaloid

Answer 4

@Layla @Vocaloid

Answer 5

C

Answer 6

@zarkam21

using a percentile to z-score calc I get z score = 0.8146

0.8146 = (score-mean)/standard deviation

solve for score

Answer 7

[the answer is not C btw]

Answer 8

I am sorry I didn't know this was confusing/.

Answer 9

Then don't give a Answer.

Answer 10

I was trying to help him by giving him the one that seemed right to me

Answer 11

Ugh I submitted that one @Layla told me

Answer 12

:(

Answer 13

@zarkam21 just as a heads up most of the people who give direct answers are wrong

Answer 14

I would do reverse right?

Answer 15

hm?

Answer 16

I still want to do the problem so I know how to do it =)

Answer 17

Since the z-score is already given I would do kind of a reverse right?

Answer 18

0.8146 = (score-mean)/standard deviation

mean = 500
standard deviation = 100

Answer 19

0.8146 = (score-500)/100

Answer 20

it ends up being 581.46 which rounds down to 580 (answer A)

Answer 21

OKay thank you I appreciate it