Author Question: The latest U.S. census shows the population aged 25 to 40 to be 48 male and 52 female. A market ... (Read 69 times)

swpotter12

  • Hero Member
  • *****
  • Posts: 527
The latest U.S. census shows the population aged 25 to 40 to be 48 male and 52 female. A market research firm interested in the buying habits of young adults aged 25 to 40 instructs its interviewers to sample 300 persons, 144 of whom are to be men and 156 of whom are to be women. This is an example of a quota sample.
  Indicate whether the statement is true or false

Question 2

Which of the following statements is true with respect to the t distribution?
 a. The t distribution is more spread out than the standard normal distribution.
  b. The t distribution is symmetrical.
  c. The shape of the t distribution depends on the number of degrees of freedom.
  d. All of these.
  e. None of these.



kescobar@64

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

T

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

For a complete list of videos, visit our video library