Author Question: The common causes of variation are the ________. A) variations in the measurement systems of a ... (Read 43 times)

DelorasTo

  • Hero Member
  • *****
  • Posts: 548
The common causes of variation are the ________.
 
  A) variations in the measurement systems of a process alone
  B) variations resulted from many small differences in the factors of a process, taken together
  C) variations that can be explained
  D) variations caused by any one of the factors of a process

Question 2

The management of a department store is interested to estimate the difference in the amount of money spent by female and male shoppers. You are given the following information.
 
  Female Shoppers Male ShoppersSample size 64 49Sample mean 140 125Population standard deviation 10 8A 95 percent confidence interval estimate for the difference between the average purchases of the customers using the two different credit cards is:A) 49 to 64
  B) 11.68 to 18.32
  C) 125 to 140
  D) 8 to 10



princessflame2016

  • Sr. Member
  • ****
  • Posts: 298
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

For a complete list of videos, visit our video library