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

Author Question: Suppose the ages of students in your program follow a positively skewed distribution with mean of 24 ... (Read 85 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
on: Jun 24, 2018
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
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

C


V@ndy87

  • Member
  • Posts: 571
Reply 2 on: Jun 24, 2018
Gracias!

kishoreddi

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution
Cerebral angiography. The four angiograms each reveal the distribution of blood vessels supplying th Cerebral angiography. The four angiograms each reveal the distribution of blood vessels supplying th
Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19 Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19
The Distribution of Water on Earth The Distribution of Water on Earth
Gravitational Force Due to a Distribution of Mass Problem 1 Gravitational Force Due to a Distribution of Mass Problem 1
In 2000, the average charge of tax preparation was 95 . Assuming a normal distribution and a ... In 2000, the average charge of tax preparation was 95 . Assuming a normal distribution and a ...
Video: Ear Animation

For a complete list of videos, visit our video library