A score that is 12 points below the mean corresponds to a z-score of z = -3.00. What is the population standard deviation?
1 answer:
Standard deviation=4.
let the mean be 12 and the score be 0 (therefore 12 point difference.)
0-12/s=-3 (s being standard deviation)
-12/4 = -3
You might be interested in

where
s = arc length
n = measure of central angle
r = radius
Answer:No
Step-by-step explanation:
Because:
60 divided by 12 equals 5
72 divided by 12 equals 6
So they all would not get a piece
Monday 2330 hours is the answer
An answer to this would be y=- 1 over 3 x