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

Author Question: In estimating the difference between two population means, if a 95 percent confidence interval ... (Read 81 times)

Yi-Chen

  • Hero Member
  • *****
  • Posts: 550
In estimating the difference between two population means, if a 95 percent confidence interval includes zero, then we can conclude that there is a 95 percent chance that the difference between the two population means is zero.
 
  Indicate whether the statement is true or false

Question 2

The Cranston Hardware Company is interested in estimating the difference in the mean purchase for men customers versus women customers. It wishes to estimate this difference using a 95 percent confidence level.
 
  Assume that the variances are equal and the populations normally distributed. The following data represent independent samples from each population:Men Women16.49 17.2133.34 17.4620.18 15.6526.39 10.6728.03 14.0726.02 19.6116.08 15.9032.27 11.1721.66 24.6632.32 13.3529.79 20.8733.37 22.57Based on these data, the company can conclude that there is a statistical difference between men and women with regard to mean spending at the hardware store with men tending to spend more on average than women. Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wtf444

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

FALSE

Answer to Question 2

TRUE




Yi-Chen

  • Member
  • Posts: 550
Reply 2 on: Jun 24, 2018
Excellent


anyusername12131

  • Member
  • Posts: 327
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

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.

For a complete list of videos, visit our video library