This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What do we mean by an unbiased statistic? a. a statistic that equals the sample mean b. a ... (Read 116 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
on: Jun 20, 2018
What do we mean by an unbiased statistic?
 
  a. a statistic that equals the sample mean
  b. a statistic whose average is very stable from sample to sample
  c. a statistic used to measure racial diversity
  d. a statistic whose long range average is equal to the parameter it estimates

Question 2

The variance can best be thought of as the
 
  a. average of the squared deviations from the mean.
  b. average of the absolute deviations from the mean.
  c. average of the deviations from the median.
  d. square of the mean.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Chelseyj.hasty

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

A


littleanan

  • Hero Member
  • *****
  • Posts: 575
Reply #2 on: Jun 20, 2018
Thank you


Chelseyj.hasty

  • Sr. Member
  • ****
  • Posts: 319
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

The WISC-IV: Sample Items The WISC-IV: Sample Items
Sample Exercise Prescription for Weight Training: Beginner Sample Exercise Prescription for Weight Training: Beginner
Sample prescriptions of drugs for oral fungal infections. Sample prescriptions of drugs for oral fungal infections.
Sample budget spreadsheet form for first year of business. Sample budget spreadsheet form for first year of business.
Sample of a business card design. Sample of a business card design.
What is the estimated age of the archaeological sample What is the estimated age of the archaeological sample
Video: Oxygen transport: association and dissociation & Factors that affect hemoglobin's saturation with O2

For a complete list of videos, visit our video library