Answer:
(a) σ² = 144
(b) s² = 12
Step-by-step explanation:
(a) Population variance σ² = ∑(X - 
)² / N
The arithmetic mean 
σ² = 
= 
= 
= 
σ² = 144
(b) 
= 12
Answer & Explanation:
Volume can be expressed in cubic centimeters, or in milliliters. One milliliter is equal to one cubic centimeter, or one cc, for short. If your initial measurements are given in inches, multiply them by 2.54 to convert them to centimeters.
Answer:
Your answer should be 54!
The discount is $231.57 , the price after discount would be $283.03
(<span>used with a singular verb</span><span>) the systematic treatment of magnitude,relationships between figures and forms, and relations betweenquantities expressed <span>symbolically</span></span>
