Author Question: The variance of a sample of 81 observations equals 64 . The standard deviation of the sample equals ... (Read 192 times)

evelyn o bentley

  • Hero Member
  • *****
  • Posts: 564
The variance of a sample of 81 observations equals 64 . The standard deviation of the sample equals
 a. 9.
   b. 4096.
   c. 8.
   d. 6561.

Question 2

Decreasing the objective function coefficient of a variable to its lower limit will create a revised problem that is unbounded.
 a. True
  b. False
  Indicate whether the statement is true or false



cloudre37

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

c

Answer to Question 2

FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

For a complete list of videos, visit our video library