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

Author Question: A scatter diagram can show whether a pair of variables has a strong or weak relationship, and also ... (Read 192 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
A scatter diagram can show whether a pair of variables has a strong or weak relationship, and also whether it is linear or curved.
 
  Indicate whether the statement is true or false

Question 2

A public policy research group is conducting a study of health care plans and would like to estimate the average dollars contributed annually to health savings accounts by participating employees.
 
  A pilot study conducted a few months earlier indicated that the standard deviation of annual contributions to such plans was 1,225. The research group wants the study's findings to be within 100 of the true mean with a confidence level of 90. What sample size is required?A) 407
  B) 361
  C) 512
  D) 546



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

rachel

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

TRUE

Answer to Question 2

A




nenivikky

  • Member
  • Posts: 516
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)


shewald78

  • Member
  • Posts: 340
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

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?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

For a complete list of videos, visit our video library