« previous next »

Author Question: For sample sizes greater than 30, the sampling distribution of the mean is approximately normally ... (Read 76 times)

ishan

  • Hero Member
  • *****
  • Posts: 546
on: Jun 24, 2018
For sample sizes greater than 30, the sampling distribution of the mean is approximately normally distributed:
 a. regardless of the shape of the population.
  b. only if the shape of the population is symmetric.
  c. only if the population is normally distributed.
  d. None of these choices.

Question 2

In regression analysis, if the coefficient of determination is 1.0, then:
 a. the sum of squares for error must be 1.0
  b. the sum of squares for regression must be 1.0
  c. the sum of squares for error must be 0.0
  d. the sum of squares for regression must be 0.0


lkanara2

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Winter distribution of the American crow, Corvus brachyrynchos. Winter distribution of the American crow, Corvus brachyrynchos.
Urinometer. In this procedure, a urine sample and urinometer are placed within a tube, and the liqui Urinometer. In this procedure, a urine sample and urinometer are placed within a tube, and the liqui
Sample Problem from Raven’s Progressive Matrices Sample Problem from Raven’s Progressive Matrices
A sample flow sheet. A sample flow sheet.
Distribution of Modern Day Oceanic Plateaus and Fragments Distribution of Modern Day Oceanic Plateaus and Fragments
Construct a Lorenz curve that shows income distribution in this society. Construct a Lorenz curve that shows income distribution in this society.
Video: Primary and secondary response to infection

For a complete list of videos, visit our video library