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 141 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?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough
Policies on fertility and population growth Policies on fertility and population growth
Breakdown of the Population by Schooling and Wages Breakdown of the Population by Schooling and Wages
Population Growth in America Population Growth in America
Predicted Proportions in a Population Predicted Proportions in a Population
Video: Hershey Chase Experiments

For a complete list of videos, visit our video library