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

Author Question: Suppose the ages of students in your program follow a positively skewed distribution with mean of 24 ... (Read 75 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
Suppose the ages of students in your program follow a positively skewed distribution with mean of 24 years and a standard deviation of 4 years. If we randomly sampled 100 students, which of the following statements about the sampling distribution of the sample mean age is NOT true?
 a. The mean of the sampling distribution of sample mean is equal to 24 years.
  b. The standard deviation of the sampling distribution of sample mean is equal to 4 years.
  c. The shape of the sampling distribution of sample mean is approximately normal.
  d. All of these choices are true.

Question 2

Given that the sum of squares for error is 60 and the sum of squares for regression is 140, then the coefficient of determination is:
 a. 0.429
  b. 0.300
  c. 0.700
  d. None of these choices.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

carolinefletcherr

  • Sr. Member
  • ****
  • Posts: 313
Answer to Question 1

B

Answer to Question 2

C




V@ndy87

  • Member
  • Posts: 571
Reply 2 on: Jun 24, 2018
:D TYSM


ktidd

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

For a complete list of videos, visit our video library