Solution :
Given :
X = homicide rate (homicides per 100,00 population)
n = 12 = metropolitan areas
Area X (homicides per 100,000 population)
Mesa, AZ 4.1
Seattle, WA 3.8
Portland, OR (tie) 3.4
New York, NY(tie) 3.4
Virginia beach, VA 3.3
San Jose, CA 3.1
EI, Paso, TX 2.6
Austin, TX 2.6
San Diago, CA 2.4
Suffolk County 2.2
Montgomery, MD 2.0
Fairfax, VA 1.7
Therefore, the mean of X = 

= 2.9
Therefore, the mean of homicide rater in the 12 metropolitan areas is 2.9 homicide per 100,000 population.
Inverse Operation- <span>The operation that reverses the effect of another operation.</span>
<span>Hope this helps.</span>
Multiply 20x3 and u will get your answer from there
Max:
Min:
Amplitude: 3
Horizontal Shift: 0
Vertical Shift: -2
I'm not sure on the max and min, but here is everything else. ^_^