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

Author Question: The expected value of the sampling distribution of the sample mean equals the population mean : a. ... (Read 178 times)

ahriuashd

  • Hero Member
  • *****
  • Posts: 535
on: Jun 24, 2018
The expected value of the sampling distribution of the sample mean equals the population mean  :
 a. only when the population is normally distributed.
  b. only when the sample size is large.
  c. only when the population is infinite.
  d. for all populations.

Question 2

A store manager gives a pre-employment examination to new employees. The test is scored from 1 to 100 . He has data on their sales at the end of one year measured in dollars. He wants to know if there is any linear relationship between pre-employment examination score and sales. An appropriate test to use is the t-test of the population correlation coefficient.
  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

coreycathey

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

T


ahriuashd

  • Member
  • Posts: 535
Reply 2 on: Jun 24, 2018
Wow, this really help

lkanara2

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Desert distribution and climate Desert distribution and climate
Sample prescriptions of drugs for oral herpes infection. Sample prescriptions of drugs for oral herpes infection.
World Population, 10,000 B.C. to A.D. 2010 World Population, 10,000 B.C. to A.D. 2010
The chorionic villus sampling technique. (a) A catheter is inserted into the uterus through the vagi The chorionic villus sampling technique. (a) A catheter is inserted into the uterus through the vagi
The decay constant of radon-222 is 0.181 d-1. If a sample of radon initially contains 6.00 × ... The decay constant of radon-222 is 0.181 d-1. If a sample of radon initially contains 6.00 × ...
Sample hypnograms of an infant at ages 3, 12, and 24 months Sample hypnograms of an infant at ages 3, 12, and 24 months
Video: Parathyroid hormone (bone resorption) & Calcitonin (bone deposition)

For a complete list of videos, visit our video library