The mean is 250.875.
Using this information, I can put the following into a calculator:
√(((250.875-195)²+(250.875-358)²+(250.875-201)²+(250.875-276)²+
(250.875-161)²+(250.875-301)²+(250.875-387)²+(250.875-128)²)÷8)
Which equals:
87.9878
This is the standard deviation of the MP3 players.
Answer:
# 2,9 are declareitive .......... .......
Answer:
−7z/2
Step-by-step explanation:
Answer:
m angle A=120° and m angle C=45°
Step-by-step explanation:
15x+45°=180°
15(x+3)=180°
x+3=12°
x=9°
Answer:
$6.00
Step-by-step explanation:
Use the formula for simple interest: Interest = Principle x Rate x Time
so I = $60.00 x .1 x 1 = $6.00
