Author Question: In the calculation of the arithmetic mean for grouped data, which value is used to represent all the ... (Read 31 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
In the calculation of the arithmetic mean for grouped data, which value is used to represent all the values in a particular class?
 
  A) the lower limit of the class
  B) the upper limit of the class
  C) the frequency of the class
  D) the midpoint of the class

Question 2

The probability that a person wants either better fuel efficiency or a vehicle navigation system is:
 
  A) 0.90
  B) 0.10
  C) 0.45
  D) 0.35



dantucker

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

For a complete list of videos, visit our video library