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

Author Question: A scatter diagram can show whether a pair of variables has a strong or weak relationship, and also ... (Read 195 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
on: Jun 24, 2018
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
Reply #1 on: Jun 24, 2018
Answer to Question 1

TRUE

Answer to Question 2

A


nenivikky

  • Member
  • Posts: 516
Reply 2 on: Jun 24, 2018
Excellent

nyrave

  • Member
  • Posts: 344
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Rodents Show Empathy-Driven Behavior Rodents Show Empathy-Driven Behavior
Relationship between a diagnostic label and related factor Relationship between a diagnostic label and related factor
Two views of the phylogenetic relationship between Neandertals and modern H. sapiens. Two views of the phylogenetic relationship between Neandertals and modern H. sapiens.
Polysaccharide Diagram Polysaccharide Diagram
Block Diagram of a Dual-stage Pressure System for Dual-Stage Pressure Production of Nitric Acid Seme Block Diagram of a Dual-stage Pressure System for Dual-Stage Pressure Production of Nitric Acid Seme
The relationship between the height of the firing line and length of the spark line can be ... The relationship between the height of the firing line and length of the spark line can be ...
Video: Sigmoidoscopy

For a complete list of videos, visit our video library