Standard deviation is the square root of the variance.
To find the variance from the standard deviation, raise it to the 2nd power:
Standard deviation = 4
Variance = 4^2 = 4x4 = 16.
Answer:
A) z= -4
Step-by-step explanation:
Answer:
1mm, 1cm, 1m, 1km.
Step-by-step explanation:
Do a proportion
4/1=x/38
basically 38/4
Answer:
85
Step-by-step explanation: