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

Author Question: Random samples of size 81 are taken from an infinite population whose mean and standard deviation ... (Read 102 times)

itsmyluck

  • Hero Member
  • *****
  • Posts: 546
Random samples of size 81 are taken from an infinite population whose mean and standard deviation are 45 and 9, respectively. The mean and standard error of the sampling distribution of the sample mean are:
 a. 45 and 9 c. 45 and 9/81
  b. 45/81 and 9/81 d. 45/81 and 9/81

Question 2

The coefficient of determination is equal to the coefficient of correlation squared.
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dyrone

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

C

Answer to Question 2

T




itsmyluck

  • Member
  • Posts: 546
Reply 2 on: Jun 24, 2018
Excellent


coreycathey

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

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

For a complete list of videos, visit our video library