This topic contains a solution. Click here to go to the answer

Author Question: If we know the sample variance, can we use that information to find the sample standard deviation? ... (Read 209 times)

brutforce

  • Hero Member
  • *****
  • Posts: 540
If we know the sample variance, can we use that information to find the sample standard deviation?
 
  a. Yes, simply take the square root of the variance to find the standard deviation.
  b. Yes, simply square the variance to find the standard deviation.
  c. Yes, simply divide the variance by N to find the standard deviation.
  d. No, it is not possible.

Question 2

To determine the range, we simply
 
  a. subtract the highest score minus the lowest score.
  b. subtract the lowest score minus the highest score.
  c. need to know the lowest and highest scores.
  d. average the lowest and highest scores.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cupcake16

  • Sr. Member
  • ****
  • Posts: 309
Answer to Question 1

a

Answer to Question 2

a




brutforce

  • Member
  • Posts: 540
Reply 2 on: Jun 20, 2018
Wow, this really help


nothere

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Gracias!

 

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

For a complete list of videos, visit our video library