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

Author Question: Whenever a statistical population can be described, at least roughly, by the perfectly symmetrical, ... (Read 121 times)

bobthebuilder

  • Hero Member
  • *****
  • Posts: 567
on: Jul 24, 2018
Whenever a statistical population can be described, at least roughly, by the perfectly symmetrical, bell-shaped normal curve, we can estimate the percentages of all population values that lie within specified numbers of standard deviations from the mean with the help of:
 a. Tchebysheff's Theorem
  b. the empirical rule
  c. the interquartile range
  d. box plot
  e. none of these

Question 2

A political analyst in Michigan surveys a random sample of registered Democrats and compares the results with those obtained from a random sample of registered Republicans. This would be an example of:
 a. dependent samples.
  b. independent samples.
  c. independent samples only if the sample sizes are equal.
  d. dependent samples only if the sample sizes are equal.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

perkiness

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

B


bobthebuilder

  • Hero Member
  • *****
  • Posts: 567
Reply #2 on: Jul 24, 2018
Thank you!


perkiness

  • Sr. Member
  • ****
  • Posts: 348
Reply #3 on: Jul 24, 2018
Always glad to help...


« previous next »
 

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Wolf Spider in Maricopa City, Arizona, roughly 25mm (1 inch) while legs were retracted Wolf Spider in Maricopa City, Arizona, roughly 25mm (1 inch) while legs were retracted
The bobcat population has seen declines in the American Midwest, but is generally stable and healthy The bobcat population has seen declines in the American Midwest, but is generally stable and healthy
Trap set to monitor the wild population in the Dryandra Woodland Trap set to monitor the wild population in the Dryandra Woodland
Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the
The Solow Model Incorporating Population Growth The Solow Model Incorporating Population Growth
Typical bacterial population growth curve showing the initial lag phase Typical bacterial population growth curve showing the initial lag phase
Video: How eudicots (true dicots) differ from monocots Animation

For a complete list of videos, visit our video library